2 killed, 2 injured in NYC subway stabbing attacks

NEW YORK: An unidentified man could be responsible for four separate stabbings that occurred within a few hours in the New York City subways, leaving two people dead, authorities said.

The assaults happened between Friday morning and early Saturday, New York Police Department officials said during a news conference. Authorities believe all four victims were homeless. Police said they were searching for a man they suspect could be behind all the attacks. They were reviewing subway security camera footage as part of the investigation. All four stabbings occurred along the A subway line.

Meanwhile, An additional 500 police officers will be deployed immediately to patrol New York City's transit system both on ground and underground following four stabbing incidents within 24 hours, a top official said here.