A witness stepped in to help get passengers off the bus.
PHILADELPHIA (WPVI) -- A car caught fire after colliding with a bus in Philadelphia's University City neighborhood on Thursday.
A video from an Action News viewer shows flames pouring out of the car after the collision.
Police say the crash happened just before 11:30 a.m. at South Street and Convention Avenue.
A witness stepped in to help get passengers off the bus.
Authorities say five people were treated for injuries.
It's not yet clear what caused the collision.