Police are looking for the man they say carried out two separate gunpoint robberies aboard a 6 train.
Authorities say both incidents happened on a northbound train approaching the Westchester Square-Tremont Avenue station.
The first robbery occurred on Christmas, just before 1 a.m. Police say the suspect held a 27-year-old man at gunpoint and demanded property. When the victim refused, the robber struck him in the face with the gun before taking his phone. EMS took the 27-year-old to the hospital in stable condition, according to authorities…