Series of car crashes in SF leaves one dead, five injured

A 65-year-old man was identified by police Tuesday after he was struck and killed in a hit-and-run crash that also left a woman injured — one of three car wrecks that plagued San Francisco streets over the weekend, officials said. Lanqing Dong, a resident of China, was struck and killed while crossing Valdez Avenue at Monterey Boulevard around 5:30 p.m. Saturday, police said. Monday in San Francisco’s South of Market neighborhood after a driver ran a red light and slammed into a vehicle at the intersection. The collision on Third and Mission streets, near the Yerba Buena Center for the Arts, caused the second vehicle to spin out and hit a pedestrian, police said. Two people in the vehicle that was struck were taken to a hospital, including one who suffered life-threatening injuries, police said.