SAN FRANCISCO (KRON) -- The San Francisco Fire Department responded Saturday at 6:17 p.m. to the intersection of Mission and College streets to assist Pacific Gas and Electric Company (PGE) with a possible gas leak. When fire crews arrived, they worked with San Francisco police to control traffic s o they could conduct emergency protocols, according to SFFD. "During the incident, SFFD personnel located a person requiring emergency medical assistance," SFFD said. "Emergency medical care was started immediately.  Despite the life-saving efforts of emergency responders, the person was declared deceased at the scene." Foul play is not believed to be involved. Two other patients were taken to nearby hospitals, SFFD said. An investigation is also being handled by the Office of the Chief Medical Examiner. ...read more read less