NEW YORK — The New York Police Department confirmed on Sunday that a suspect deployed an improvised explosive device against an anti-Muslim protest the previous day. The device failed to detonate and there were no injuries. NYPD Commissioner Jessica Tisch said in a statement that the NYPD bomb squad determined that an incendiary device deployed at the protest was “not a hoax device or a smoke bomb,” but “an improvised explosive device that could have caused serious injury or death.” A second incendiary device deployed at the protest is being investigated, Tisch said. She named the two suspects arrested at...