Sheila Montelongo, 39

Sheila Ann Montelongo, 39, a Latina woman, was shot at 12:43 a.m. Saturday, Aug. 16, at a party in the 1300 block of South Downey Road in East Los Angeles.

Montelongo was attending a birthday party when a Latino man standing on the street began shooting at the crowd, authorities said. Montelongo was struck in the back by gunfire. She was taken to a nearby hospital, where she was pronounced dead, authorities said. Witnesses told deputies the gunman fled on foot on South Downey Road.

Two other people — a Latino man and a Latina woman — also were wounded from gunfire. They were both treated by paramedics and were expected to survive, authorities said.

Anyone with information about the shooting can call sheriff's homicide detectives at (323) 890-5500. Callers can remain anonymous.

—Ruben Vives