A 14-year-old San Francisco resident skateboarding Saturday night on 22nd Avenue at Ulloa was hit by an SUV. He suffered life-threatening injuries in the collision.

According to the SFPD, the teenager was riding southbound on 22nd Avenue around 8pm when he was hit by a Honda SUV traveling westbound on Ulloa. 

The driver, a man in his 50s, is currently cooperating with police on the investigation. He was not injured and remained at the scene. At this time, police believe that neither drugs nor alcohol were a factor in the collision.

Two other teenagers riding skateboards at the scene were not injured. 

As of this morning, no further updates have been released.

As this is an active investigation, police are asking anyone with information to call the SFPD Tip Line at 415-575-4444. Tipsters can also text a tip to TIP411 and begin the text with 'SFPD.'