A shuttle bus crashed into the former Haggen grocery store building in Tualatin Friday morning.
The driver was the only person in the bus. The driver says the accelerator stuck.
The bus was wedged under an overhang near the entrance of the building.
After the crash the engine caught fire.
Tualatin Valley Fire and Rescue has a station a few blocks away and firefighters arrived quickly to put out the fire before it caused significant damage to the building.
The driver suffered minor injuries.