Four people were killed and a fifth was seriously injured in a collision on State Route 76 in Pala Mesa

Four people were killed and a fifth was seriously injured in a multi-vehicle crash on State Route 76 in Pala Mesa late Friday evening.

The California Highway Patrol said a single driver in an eastbound Chrysler 300 sedan made a left turn on a stretch of highway east of Horse Ranch Creek Road and crossed into oncoming traffic at 11:18 p.m.

A Jeep Gladiator collided with the Chrysler and a following Toyota Camry was struck from the side.

The driver of the Chrysler, the driver of the Jeep and two passengers died at the scene of the accident. A third passenger in the Jeep was seriously injured.

Officials said the victims’ identities will be released by the San Diego County Medical Examiner’s Office.

They said it was unknown whether alcohol or drugs were involved in the collision and asked anyone with information to call (760) 643-3400.