About 4:30 p.m., police responded to another drive-by shooting about three miles away in the 4000 block of Avenue L.
A bystander was shot when the driver in a vehicle exchanged gunfire with another person who was thought to be the intended victim, police said.
The incident may have been gang-related, police said.
The victim was transported in serious condition to a local hospital.
Police did not provide detailed information about the suspected shooters or vehicles in either case. It was not clear whether the incidents were related.