San Francisco police were investigating a string of traffic collisions Friday night that left two pedestrians hospitalized, a bicyclist injured and officers searching for information in at least two hit-and-run cases.
The crashes were reported within a few hours across several neighborhoods, from Ingleside Heights to Pacific Heights to South of Market, according to the San Francisco Police Department.
The most serious collision was reported around 9:31 p.m. at Webster and California streets, where police said a driver struck four adult pedestrians and an unoccupied parked vehicle…