ANAHEIM, Calif.—Two drivers were killed in the morning of April 9 when the vehicles they were driving collided in Anaheim.

The crash was reported at 12:24 a.m. at Nohl Ranch Road and Serrano Avenue, Anaheim Police Sgt. Jonathan McClintock told City News Service.

“Upon officers’ arrival, they located the vehicles, including one that was overturned,” McClintock said. “The drivers of both vehicles were pronounced deceased at the scene by Anaheim Fire & Rescue.”

Two passengers of one of the vehicles were injured and paramedics took them to hospitals for treatment, he said.

“Alcohol is believed to be a factor,” McClintock said. The investigation was ongoing.

The drivers’ names were not released pending notification of relatives.