Sunando Sen, 46, was killed when a woman pushed him in front of a 7 train at 40th Street in Queens.
Naeem Davis, 30, was charged with murder after allegedly pushing Ki-Suck Han into the path of a Q train.
Police have a suspect in custody in the death of Ki-Suck Han, 58, who was pushed onto subway tracks.
Prosecutors said Jose Rojas shoved a Hell's Kitchen woman, Ute Linhart, into a speeding R train in 2010.
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