Police: Central Park blast likely caused by firework

NEW YORK (AP) — A firework that exploded when a 19-year-old unwittingly stepped on it Sunday in Central Park, seriously injuring his left foot, didn’t appear to be designed to intentionally hurt people, police officials said.
The homemade gadget was like an “explosive experiment” that was probably designed to “make a large noise, maybe make a flash,” concocted by someone with a basic understanding of chemistry, said Lt. Mark Torre, commanding officer of the Ne