Two people were hospitalized Tuesday afternoon after their vehicle crashed into two parked cars in San Francisco’s Sunset District.

The incident occurred around 4:51 p.m. near the intersection of Ulloa Street and 21st Avenue. Responding officers arrived to find a heavily damaged vehicle and two individuals with serious injuries. Both were transported to a local hospital for treatment.

The circumstances leading up to the crash remain unclear, and investigators have not yet determined what caused the vehicle to collide with the parked cars.

The identities of those involved have not been released, and no further details were immediately available.