Subscribe | UPI Odd Newsletter Subscribe PHILADELPHIA, May 14 (UPI) -- Police in Philadelphia said a building housing two district headquarters was evacuated after a man brought in a grenade he discovered inside a radio. Investigators said a man in his 60s arrived at the Harbison Avenue and Levick Street building, which houses the 2nd and 15th police districts, around 4:40 p.m. Sunday and handed over a plastic-wrapped grenade he said he discovered inside a radio he purchased earlier in the day at a flea market, the Philadelphia Daily News reported Monday. Advertisement "Once they discovered it was a grenade, safety became paramount and we wanted everyone out of the building," Sgt. Leo Costello said. Costello said the bomb squad was called to dispose of the grenade, which was found to be live, and the scene was cleared by 5 p.m. Read More Germany sends grenades in potato shipment Grenade found during Easter egg hunt Boy charged for bringing grenade to school Boy finds hand grenade in Oregon home WWII grenades found, detonated Ten grenades found in home