Six people were injured, including two critically, when an SUV struck a San Francisco city-owned bus on Saturday shortly before noon, according to fire department officials. 

District 2 Supervisor Catherine Stefani said that a pedestrian, the bus driver, other bus passengers, and the driver of the SUV were injured. 

San Francisco bus crash

Six people were injured in the wreck, including the bus driver, bus passengers, and a pedestrian.  (Citizen App)

"This driver must be held accountable for this reckless behavior, and I fully intend to do everything possible to improve conditions for pedestrians and transit riders along this corridor," Stefani tweeted Saturday. 

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Two people were in critical condition, while two were moderately injured and two suffered minor injuries, according to the San Francisco Fire Department. 

San Francisco bus crash

The San Francisco Fire Department told residents to avoid the area as they worked to treat victims.  (Citizen App)

Photos posted on social media showed firefighters treating multiple victims near the wrecked SUV and city bus. 

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San Francisco resident Eric Kingsbury tweeted that he witnessed the crash and saw the SUV driver "flying down Lombard westbound at what looked like 80 mph" before "slamming" into the bus. 

"I don’t think I’ve ever seen anything quite like this. Everyone is really shaken up," Kingsbury wrote.