On July 28, 2025, a mass shooting occurred at 345 Park Avenue in Midtown Manhattan, New York City, United States. The incident began at 6:28 p.m. EDT (UTC–4). A gunman identified as 27-year-old Shane Devon Tamura, wearing body armor, fired an AR-15–style rifle inside the building killing four people, including a New York City police officer who was off-duty and working as security. Tamura committed suicide after barricading himself on the 33rd floor of the building. The mass shooting is the deadliest in New York City since the 2000 Wendy's massacre in Queens. The perpetrator's motive is being investigated by police.