Update: M and Q trains have service changes and delays while we investigate reports of an unauthorized person on the tracks at 72 St.
— NYCT Subway (@NYCTSubway) April 28, 2019
There is no M or Q service in either direction between 57 St/7 Av and 96 St.
96 St-bound M trains are being rerouted to 71 Av. (1/2)