elderly woman for speeding and causing a deadly crash in san francisco's lower pac heights neighborhood. meanwhile, kron 4's alecia reid tells us how the victims are doing from sf general hospital. laying in this hospital are a mother and daughter who're fighting for their lives after surviving the deadly crash teenager kevin san a student from lincoln high was in the car with his mother and sister friday morning sitting at a stoplight on pine and gough streets when a speeding car barrelled into the back of their minivan. he died at the scene. >> reporter: his mom is in critical condition, and his sister aileen has serious injuries. their van hit another vehicle, injuring an employee from james stanfield catering. we're told he's home, but feeling very sore from the hit. when he'll be returning to work has yet to be determined. the speeding car was going up to 80 miles per hour, through red lights.at one point speeding past a patrol car on polk street. unfortunately cops didn't catch up to her until after damage was done. police say the woman responsible for the deadly crash escaped with only minor injuries

s-c has lost seven of its last 11 games. this season the trojans are 0 for 2 in the pac 12. kiffin's overall record in four seasons with the trojans is 28-15. u-s-c will have a news conference later today to announce an interim coach. >> coming up on kron 4 news weekend. a new report tell us what happened in the deadliest fire in arizona history. those details next. live look outside. roof cam (music) there are so many things that we do on a daily basis. we run errands. we run to the grocery store. in fact, the average american drives fewer than 29 miles a day. the 100% electric nissan leaf goes two-and-a-half times that on a single charge. it's a car. it just doesn't take gas. [ farrar ] so think about where you go in a day. do you really need gas to get there? [ male announcer ] the 100% electric nissan leaf. nissan. innovation that excites. now get a 2013 nissan leaf for $199 a month. ♪ ♪ [ male announcer ] for tse who willingly take on the y. [ screaming ] [ male announcer ] to make it better for someone ee. the same way the smooth, creamy taste of coffee-me makes coffee