Police are investigating reports of shots fired near Lincoln Park.
The incident happened around 11:15 a.m. Monday near S 49th Street and Logan Avenue when San Diego Police said they received reports of several shots heard in the area.
When officers arrived on scene, they found shell casings on the ground on the street, they said.
There have been no gunshot victims and officers are interviewing witnesses, police said.
Harley Knox Middle School was placed on lockdown for a short period of time but that lockdown has since been lifted.
Officers are investigating.
Check back for updates on this breaking news story.
