Several killed in Philippine volcano eruption

Mayon volcano, one of the Philippines' most active volcanoes, erupted on May 7. At least five climbers were killed and more than a dozen others are trapped near the crater in its first eruption in three years, officials said.

A cloud of volcanic ash shoots up to the sky as Mayon volcano, one of the Philippines' most active volcanoes, erupts after daybreak, viewed from Legazpi city in Albay province in the central Philippines, Tuesday, May 7, 2013. At least five climbers were killed and more than a dozen others are trapped near the crater in its first eruption in three years, officials said. Rescue teams and helicopters were sent to Mayon volcano to bring out the dead. (AP Photo/Allan Imperial)

A cloud of volcanic ash shoots up to the sky as Mayon volcano, one of the Philippines' most active volcanoes, erupts after daybreak, viewed from Legazpi in Albay province in the central Philippines, Tuesday, May 7, 2013. At least five climbers were killed and more than a dozen others are trapped near the crater in its first eruption in three years, officials said. Rescue teams and helicopters were sent to Mayon volcano to bring out the dead. (AP Photo/Allan Imperial)

A cloud of volcanic ash shoots up to the sky as Mayon volcano, one of the Philippines' most active volcanoes, erupts after daybreak, viewed from Legazpi city Tuesday, May 7, 2013. At least five climbers were killed and more than a dozen others are trapped near the crater in its first eruption in three years, officials said. Rescue teams and helicopters were sent to Mayon volcano in the central Philippines to bring out the dead. (AP Photo/Elmer Bandol)

A mushroom of volcanic ash shoots up to the sky as Mayon volcano, one of the Philippines' most active volcanoes, spewed huge rocks and ash after daybreak, viewed from Legazpi city Tuesday, May 7, 2013. At least five climbers were killed and more than a dozen others are trapped near the crater in its first eruption in three years, officials said. Rescue teams and helicopters were sent to Mayon volcano in the central Philippines to bring out the dead. (AP Photo/Alex Sallan)

Thai nationals, Nithi Rvangpisit, left, and Tanut Rvchippiyarak, rest in a hospital in Legazpi city with their mountain climbing gear after surviving a steam-driven explosion of Mayon volcano, one of the Philippines' most active volcanoes, Tuesday, May 7, 2013 in Albay province, about 450 kilometers (285 Miles) southeast of Manila, Philippines. Mayon volcano rumbled to life Tuesday, spewing room-sized rocks toward nearly 30 surprised climbers, killing five and injuring others that had to be fetched with rescue helicopters and rope. (AP Photo/Nelson Salting)

Police and rescuers carry Nicas Mabao Jr. to a waiting ambulance after surviving a steam-driven explosion of Mayon volcano, one of the Philippines' most active volcanoes, Tuesday, May 7, 2013 in Albay province about 450 kilometers (285 Miles) southeast of Manila, Philippines. Mayon volcano rumbled to life Tuesday, spewing room-sized rocks toward nearly 30 surprised climbers, killing five and injuring others that had to be fetched with rescue helicopters and rope. (AP Photo/Nelson Salting)