2017 New York City Subway bombing
On December 11, 2017, a pipe bomb partially detonated in a corridor between the Times Square–42nd Street and 42nd Street–Port Authority Bus Terminal subway stations adjoining the Port Authority Bus Terminal in Midtown Manhattan, New York City, United States, injuring four people including the bomber. Mayor Bill de Blasio described the incident as "an attempted terrorist attack".
Source: Wikipedia — 2017 New York City Subway bombing (CC BY-SA 4.0)