One of two men accused of throwing improvised explosive devices at protesters Saturday outside the New York City mayor's residence appears to have purchased fuses at a fireworks store in a Philadelphia suburb last week, CBS News has learned. Emir Balat, 18, purchased fuses at Phantom Fireworks,in Penndel, Pennsylvania, according to William Weimer, vice president and general counsel for the Phantom Fireworks Company. Surveillance video provided to CBS News shows Balat walking inside and shopping at Phantom Fireworks at 12:46 p.m. local time on March 2, five days before the incident. Video from inside the store shows Balat purchasing a 20-foot roll of safety fuse, which looks and feels like thick twine, for $6.89 including tax, according to Weimer. Image from Phantom Fireworks security camera video appears to show Emir Balat purchasing a fuse at the store in the Philadelphia area on March 2, 2026.…