Man arrested following spate of stabbings on New York subway trains

Police patrol the A line subway train bound to Inwood, after NYPD deployed an additional 500 officers into the subway system following deadly attacks (Bebeto Matthews/PA)

A 21-year-old man was arrested in the fatal stabbings of two people on New York City subway trains, police said.

Rigoberto Lopez, from Brooklyn, was taken into custody on Saturday night and was formally arrested on Sunday on charges of murder and attempted murder, police said.