Two teenagers were seriously injured during a rollover on the far North Side late Sunday night, San Antonio police said. 

Police responded to the crash around 10:30 p.m. at Wilderness Oak and Mustang Chase. 

Police say the driver was speeding down the road when he lost control, jumped a curb and smashed into a concrete wall. The vehicle rolled several times, police said.

One of the teens was ejected and taken to University Hospital by helicopter. The other teen was taken to the hospital by EMS.

Police have not said if alcohol was a factor in the crash.