Deadly gas tank explosion in Mexico City

A natural gas tanker truck lost control and exploded on a highway lined by homes in the Mexico City

suburb of Ecatepec May 7, killing at least 20 people and

injuring nearly three dozen, according to the Citizen Safety Department

of Mexico State.

Aerial view shows first responders working next to destroyed homes and vehicles after a gas tanker truck exploded on a highway in the Mexico City suburb of Ecatepec early Tuesday, May 7, 2013. The blast killed and injured dozens, according to the Citizen Safety Department of Mexico State. Officials did not rule out the possibility the death toll could rise as emergency workers continued sifting through the charred remains of vehicles and homes built near the highway on the northern edge of the metropolis. (AP Photo)
Aerial view shows first responders working next to destroyed homes and vehicles after a gas tanker truck exploded on a highway in the Mexico City suburb of Ecatepec early Tuesday, May 7, 2013. The blast killed and injured dozens, according to the Citizen Safety Department of Mexico State. Officials did not rule out the possibility the death toll could rise as emergency workers continued sifting through the charred remains of vehicles and homes built near the highway on the northern edge of the metropolis. (AP Photo)
Aerial view shows first responders working next to destroyed homes and vehicles after a gas tanker truck exploded on a highway in the Mexico City suburb of Ecatepec early Tuesday, May 7, 2013. The blast killed and injured dozens, according to the Citizen Safety Department of Mexico State. Officials did not rule out the possibility the death toll could rise as emergency workers continued sifting through the charred remains of vehicles and homes built near the highway on the northern edge of the metropolis. (AP Photo)
Firefighters work next to destroyed houses and vehicles after a gas tanker truck exploded on a nearby highway in the Mexico City suburb of Ecatepec early Tuesday, May 7, 2013. The blast killed and injured dozens, according to the Citizen Safety Department of Mexico State. Officials did not rule out the possibility the death toll could rise as emergency workers continued sifting through the charred remains of vehicles and homes built near the highway on the northern edge of the metropolis. (AP Photo/Marco Ugarte)
Firefighters work next to destroyed houses and vehicles after a gas tanker truck exploded on a nearby highway in the Mexico City suburb of Ecatepec early Tuesday, May 7, 2013. The blast killed and injured dozens, according to the Citizen Safety Department of Mexico State. Officials did not rule out the possibility the death toll could rise as emergency workers continued sifting through the charred remains of vehicles and homes built near the highway on the northern edge of the metropolis. (AP Photo/Marco Ugarte)
Firefighters work next to destroyed houses and vehicles after a gas tanker truck exploded on a nearby highway in the Mexico City suburb of Ecatepec early Tuesday, May 7, 2013. The blast killed and injured dozens, according to the Citizen Safety Department of Mexico State. Officials did not rule out the possibility the death toll could rise as emergency workers continued sifting through the charred remains of vehicles and homes built near the highway on the northern edge of the metropolis. (AP Photo/Marco Ugarte)
Residents look out the window of a home that was damaged when a gas tanker truck exploded on a nearby highway in the Mexico City suburb of Ecatepec, early Tuesday, May 7, 2013. The blast killed and injured dozens, according to the Citizen Safety Department of Mexico State. Officials did not rule out the possibility the death toll could rise as emergency workers continued sifting through the charred remains of vehicles and homes built near the highway on the northern edge of the metropolis. (AP Photo/Gabriela Sanchez)
Residents look out the window of a home that was damaged when a gas tanker truck exploded on a nearby highway in the Mexico City suburb of Ecatepec, early Tuesday, May 7, 2013. The blast killed and injured dozens, according to the Citizen Safety Department of Mexico State. Officials did not rule out the possibility the death toll could rise as emergency workers continued sifting through the charred remains of vehicles and homes built near the highway on the northern edge of the metropolis. (AP Photo/Gabriela Sanchez)
Residents look out the window of a home that was damaged when a gas tanker truck exploded on a nearby highway in the Mexico City suburb of Ecatepec, early Tuesday, May 7, 2013. The blast killed and injured dozens, according to the Citizen Safety Department of Mexico State. Officials did not rule out the possibility the death toll could rise as emergency workers continued sifting through the charred remains of vehicles and homes built near the highway on the northern edge of the metropolis. (AP Photo/Gabriela Sanchez)
The remains of a gas tanker sits on a highway in the Mexico City suburb of Ecatepec, after it exploded early Tuesday, May 7, 2013. The blast killed and injured dozens, according to the Citizen Safety Department of Mexico State. Officials did not rule out the possibility the death toll could rise as emergency workers continued sifting through the charred remains of vehicles and homes built near the highway on the northern edge of the metropolis. (AP Photo/Marco Ugarte)
The remains of a gas tanker sits on a highway in the Mexico City suburb of Ecatepec, after it exploded early Tuesday, May 7, 2013. The blast killed and injured dozens, according to the Citizen Safety Department of Mexico State. Officials did not rule out the possibility the death toll could rise as emergency workers continued sifting through the charred remains of vehicles and homes built near the highway on the northern edge of the metropolis. (AP Photo/Marco Ugarte)
The remains of a gas tanker sits on a highway in the Mexico City suburb of Ecatepec, after it exploded early Tuesday, May 7, 2013. The blast killed and injured dozens, according to the Citizen Safety Department of Mexico State. Officials did not rule out the possibility the death toll could rise as emergency workers continued sifting through the charred remains of vehicles and homes built near the highway on the northern edge of the metropolis. (AP Photo/Marco Ugarte)
A destroyed car smolders after a gas tanker truck exploded on a highway in the Mexico City suburb of Ecatepec early Tuesday, May 7, 2013. The blast killed and injured dozens, according to the Citizen Safety Department of Mexico State. Officials did not rule out the possibility the death toll could rise as emergency workers continued sifting through the charred remains of vehicles and homes built near the highway on the northern edge of the metropolis. (AP Photo/Gabriela Sanchez)
A destroyed car smolders after a gas tanker truck exploded on a highway in the Mexico City suburb of Ecatepec early Tuesday, May 7, 2013. The blast killed and injured dozens, according to the Citizen Safety Department of Mexico State. Officials did not rule out the possibility the death toll could rise as emergency workers continued sifting through the charred remains of vehicles and homes built near the highway on the northern edge of the metropolis. (AP Photo/Gabriela Sanchez)
A destroyed car smolders after a gas tanker truck exploded on a highway in the Mexico City suburb of Ecatepec early Tuesday, May 7, 2013. The blast killed and injured dozens, according to the Citizen Safety Department of Mexico State. Officials did not rule out the possibility the death toll could rise as emergency workers continued sifting through the charred remains of vehicles and homes built near the highway on the northern edge of the metropolis. (AP Photo/Gabriela Sanchez)
Firefighters work as a house burns after a gas tanker truck exploded on the highway in front of the house in the Mexico City suburb of Ecatepec, early Tuesday, May 7, 2013. The blast killed and injured dozens, according to the Citizen Safety Department of Mexico State. Officials did not rule out the possibility the death toll could rise as emergency workers continued sifting through the charred remains of vehicles and homes built near the highway on the northern edge of the metropolis. (AP Photo/Gabriela Sanchez)
Firefighters work as a house burns after a gas tanker truck exploded on the highway in front of the house in the Mexico City suburb of Ecatepec, early Tuesday, May 7, 2013. The blast killed and injured dozens, according to the Citizen Safety Department of Mexico State. Officials did not rule out the possibility the death toll could rise as emergency workers continued sifting through the charred remains of vehicles and homes built near the highway on the northern edge of the metropolis. (AP Photo/Gabriela Sanchez)
Firefighters work as a house burns after a gas tanker truck exploded on the highway in front of the house in the Mexico City suburb of Ecatepec, early Tuesday, May 7, 2013. The blast killed and injured dozens, according to the Citizen Safety Department of Mexico State. Officials did not rule out the possibility the death toll could rise as emergency workers continued sifting through the charred remains of vehicles and homes built near the highway on the northern edge of the metropolis. (AP Photo/Gabriela Sanchez)
Firefighters work as a house burns after a gas tanker truck exploded on a highway in the Mexico City suburb of Ecatepec, early Tuesday, May 7, 2013. The blast killed and injured dozens, according to the Citizen Safety Department of Mexico State. Officials did not rule out the possibility the death toll could rise as emergency workers continued sifting through the charred remains of vehicles and homes built near the highway on the northern edge of the metropolis. (AP Photo/Gabriela Sanchez)
Firefighters work as a house burns after a gas tanker truck exploded on a highway in the Mexico City suburb of Ecatepec, early Tuesday, May 7, 2013. The blast killed and injured dozens, according to the Citizen Safety Department of Mexico State. Officials did not rule out the possibility the death toll could rise as emergency workers continued sifting through the charred remains of vehicles and homes built near the highway on the northern edge of the metropolis. (AP Photo/Gabriela Sanchez)
Firefighters work as a house burns after a gas tanker truck exploded on a highway in the Mexico City suburb of Ecatepec, early Tuesday, May 7, 2013. The blast killed and injured dozens, according to the Citizen Safety Department of Mexico State. Officials did not rule out the possibility the death toll could rise as emergency workers continued sifting through the charred remains of vehicles and homes built near the highway on the northern edge of the metropolis. (AP Photo/Gabriela Sanchez)
Firefighters work next to destroyed houses and vehicles after a gas tanker truck exploded on a highway in the Mexico City suburb of Ecatepec early Tuesday, May 7, 2013. The blast killed and injured dozens, according to the Citizen Safety Department of Mexico State. Officials did not rule out the possibility the death toll could rise as emergency workers continued sifting through the charred remains of vehicles and homes built near the highway on the northern edge of the metropolis. (AP Photo/Gabriela Sanchez)
Firefighters work next to destroyed houses and vehicles after a gas tanker truck exploded on a highway in the Mexico City suburb of Ecatepec early Tuesday, May 7, 2013. The blast killed and injured dozens, according to the Citizen Safety Department of Mexico State. Officials did not rule out the possibility the death toll could rise as emergency workers continued sifting through the charred remains of vehicles and homes built near the highway on the northern edge of the metropolis. (AP Photo/Gabriela Sanchez)
Firefighters work next to destroyed houses and vehicles after a gas tanker truck exploded on a highway in the Mexico City suburb of Ecatepec early Tuesday, May 7, 2013. The blast killed and injured dozens, according to the Citizen Safety Department of Mexico State. Officials did not rule out the possibility the death toll could rise as emergency workers continued sifting through the charred remains of vehicles and homes built near the highway on the northern edge of the metropolis. (AP Photo/Gabriela Sanchez)
A firefighter carries a gas tank away from a destroyed home after a gas tanker truck exploded on a nearby highway in the Mexico City suburb of Ecatepec early Tuesday, May 7, 2013. The blast killed and injured dozens, according to the Citizen Safety Department of Mexico State. Officials did not rule out the possibility the death toll could rise as emergency workers continued sifting through the charred remains of vehicles and homes built near the highway on the northern edge of the metropolis. (AP Photo/Gabriela Sanchez)
A firefighter carries a gas tank away from a destroyed home after a gas tanker truck exploded on a nearby highway in the Mexico City suburb of Ecatepec early Tuesday, May 7, 2013. The blast killed and injured dozens, according to the Citizen Safety Department of Mexico State. Officials did not rule out the possibility the death toll could rise as emergency workers continued sifting through the charred remains of vehicles and homes built near the highway on the northern edge of the metropolis. (AP Photo/Gabriela Sanchez)
A firefighter carries a gas tank away from a destroyed home after a gas tanker truck exploded on a nearby highway in the Mexico City suburb of Ecatepec early Tuesday, May 7, 2013. The blast killed and injured dozens, according to the Citizen Safety Department of Mexico State. Officials did not rule out the possibility the death toll could rise as emergency workers continued sifting through the charred remains of vehicles and homes built near the highway on the northern edge of the metropolis. (AP Photo/Gabriela Sanchez)
Firefighters remove a body from a home that was destroyed when a gas tanker truck exploded on a nearby highway in the Mexico City suburb of Ecatepec early Tuesday, May 7, 2013. The blast killed and injured dozens, according to the Citizen Safety Department of Mexico State. Officials did not rule out the possibility the death toll could rise as emergency workers continued sifting through the charred remains of vehicles and homes built near the highway on the northern edge of the metropolis. (AP Photo/Gabriela Sanchez)
Firefighters remove a body from a home that was destroyed when a gas tanker truck exploded on a nearby highway in the Mexico City suburb of Ecatepec early Tuesday, May 7, 2013. The blast killed and injured dozens, according to the Citizen Safety Department of Mexico State. Officials did not rule out the possibility the death toll could rise as emergency workers continued sifting through the charred remains of vehicles and homes built near the highway on the northern edge of the metropolis. (AP Photo/Gabriela Sanchez)
Firefighters remove a body from a home that was destroyed when a gas tanker truck exploded on a nearby highway in the Mexico City suburb of Ecatepec early Tuesday, May 7, 2013. The blast killed and injured dozens, according to the Citizen Safety Department of Mexico State. Officials did not rule out the possibility the death toll could rise as emergency workers continued sifting through the charred remains of vehicles and homes built near the highway on the northern edge of the metropolis. (AP Photo/Gabriela Sanchez)

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