A 15-year-old East Union student was shot and killed at about 3:30 a.m. Saturday morning while visiting friends in a home in the 2100 block of Yosemite Avenue, according to police.

A family member said the victim was Antonio Brown, who was reportedly an honor roll student and played on the East Union baseball team.

Lt. Tony Souza said it is unclear whether the shooter was on foot or fired into the home from a car.  It had not been determined whether the shot came from a hand gun or a rifle.  Officers immediately began life saving measures when they arrived on the scene until they were relieved by Manteca Fire and Ambulance personnel.

Investigators are asking anyone with information pertaining to the case to contact the Manteca Police Department at 209.456.8101.