UPDATE: Tulsa police said 18-year-old Christopher Atjun was arrested in connection to the shooting of four teenagers, to of whom died.

Jail records show he’s facing two charges of first degree murder and two charges of shooting with intent to kill.

Two teenagers were killed and two others were hospitalized after that police described as an ambush attack Saturday morning.

According to Tulsa police, the four teenagers were ambushed at an apartment complex near 21st and Garnett.

TPD said two 18-year-olds died at the scene. An 18-year-old and a 19-year-old were taken to the hospital with gunshot wounds, officers said.

Police said witnesses heard the gunshots and attempted to help the victims.

Tulsa police said numerous shell casings were collected and homicide detectives are investigating.

Anyone with information about the shooting is asked to contact Tulsa Crime Stoppers at 918-596-COPS.