Oscar Alexander Orellana, 18, killed, Cristian Omar Vargas, Kyle Robinson, Edwin Alexander Rivera injured in head-on car crash on Old Columbia Pike in Silvar Spring, Maryland

Montgomery County police detectives are investigating a fatal collision on Old Columbia Pike early Saturday morning. According to police, they were called to a collision at 2:40 a.m. When they arrived, they found a red 2003 Infiniti G35 and a gray 2000 Chevrolet Tahoe in a head-on collision. Police say the Chevrolet Tahoe was driving south when the Infiniti, which was traveling north, crossed the center line into southbound traffic. The two cars collided head-on in the southbound lanes. The front passenger of the Infiniti was pronounced dead at the scene. He was identified as Oscar Alexander Orellana, 18. The driver of the Infiniti and a rear passenger were taken to local hospitals with non-life threatening injuries. The driver is identified as 19-year-old Cristian Omar Vargas. The passenger was identified as 23-year-old Kyle Robinson. The driver of the Tahoe, 25-year-old Edwin Alexander Rivera, was taken to a local hospital with non-life threatening injuries. Police are investigating whether alcohol and seat belt usage are factors, but the cause of the accident is under investigation. No charges have been filed.