Antioch resident killed over the weekend in Richmond homicide

RICHMOND, Calif.. - A 20-year-old Antioch resident was killed in Richmond over the weekend, according to Richmond Police. 

The homicide occurred in the 1000 block of S. 55th Street on Saturday at 1 p.m. 

At this point additional details have not been released. 

KTVU.com will update this story as new details are released.