Fire officials say a driver struck a pedestrian on a sidewalk and crashed into a house in a Bethany neighborhood Friday morning.
Tualatin Valley Fire and Rescue responded to the incident on Northwest Greenwood Drive at 10:45 a.m.
They say the pedestrian was critically injured and transported in an ambulance to Legacy Emanuel Medical Center.
The driver of the vehicle was not injured, and the Washington County Sheriff's Office says she was not charged or cited.
Deputies say the driver told them that her vehicle had a malfunction.
Firefighters say the crash disturbed a natural gas line on the home.
Northwest Natural Gas responded.