Los Angeles County sheriff’s deputies are trying to persuade a man on a rooftop in a residential neighborhood of Walnut Park to surrender after authorities responded to reports of possible gunshots fired shortly after 5 a.m.The man could be seen sitting atop a single-story home in the 2500 block of Sale Place in unincorporated Walnut Park, south of Huntington Park, according to Deputy Trina Schrader with the Los Angeles County Sheriff’s Department.Although several news outlets reported the incident involved an active shooter, Schrader said there were no reports indicating that from the department. Aerial footage from KTLA-TV Channel 5 showed a man lying on his back on the rooftop and what appeared to be a weapon lying on the front lawn. SWAT team members were standing nearby next to an armored vehicle.This is a developing story.