It was one of the most bizarre and confusion referring decisions of the Premier League season as Anthony Taylor blew his whistle to deny Liverpool what could have been a key goal in their title race late on West Ham.
Hwang gives Wolves the lead as Luton scrap for Premier League survival.
Hee-Chan Hwang's shot takes a deflection but finds the back of the net to give Wolves a 1-0 lead over the Hatters in the first half at the Molineux.
Liverpool's slim Premier League title hopes take another hit as Michail Antonio rescues a point for West Ham at London Stadium.