SAN ANTONIO San Antonio police are on scene investigating at a South Side flea market. As of around noon on Sunday, several police vehicles and officers were called to the King of Bargains flea market, located on Moursund Blvd, near Loop 410. Traffic is currently backed up in the area. No details have yet been released on the incident; however, police are expected to provide details shortly. This is a developing story and well bring more updates as they become available.