A 51-year-old woman was pushed onto the tracks, and a 43-year-old woman was punched in the face by the same male attacker this morning, police say.
It happened around 8:44 a.m. at the R station at 53rd Street in Sunset Park.
Both victims were taken to the hospital and are expected to be OK.
Curtis Signal, 25, has been arrested and charged with reckless endangerment, assault and harassment.