SF Fire truck hits, critically injures pedestrian

A San Francisco fire truck was involved in a collision with a pedestrian. 

According to the San Francisco Fire Department, a fire truck was dispatched and had its emergency lights on when it hit a man. 

The man had run from a curb across two westbound lanes of traffic when he was hit. The collision occurred about 100 feet from the intersection of Mission Street and 6th Street at about 12:30 p.m. Thursday. 

The man was taken to the hospital in critical condition. 

It's unclear what prompted him to cross the street and additional details have not been released.