Authorities say a woman was in critical condition on Saturday after being struck by a hit-and-run driver in Northridge.
Officials said one person had to be extricated out of the vehicle by LA City Fire.
Crews Friday were on the scene of a traffic accident that injured two school police officers and the driver of a commercial dump truck, officials said.
The victim was declared dead but later resuscitated.
The unidentified swimmer was bitten just before 9:30 a.m., authorities said.
A man was also critically wounded in the attack.
Radio legend Casey Kasem is in critical condition at a Washington hospital, according to doctors.
Police said the driver of the pickup is unlicensed. She is cooperating with authorities.
The crash — east of Palmdale — was reported just after 7:45 p.m. at 165th Street and Avenue S.
The gunman remains at large, said authorities.
Authorities say a homeless man is in critical condition after being attacked by a mountain lion in Perris.
The victim — whose name and age were withheld — was found in his truck.
Amir Wolf arrived home and pulled into his driveway when an armed male suspect approached on foot and fired.
Officials said the car should have noticeable collision damage to its front end.
Officials say the wife of a suspect has also been arrested in a hammer attack that left a Southern California high school student critically injured.