The arrests came the day after police officials announced they were increasing police presence in the subway system due to the surge in violent incidents.
The police added 80 officers to the subway system after a man was fatally stabbed and three women were slashed in the legs in separate attacks over the weekend.
Claude White, 33, was arraigned on second-degree murder and criminal possession of a weapon charges in Manhattan criminal court Tuesday for the killing of 32-year-old Tavon Silver.