A suspect is in custody after a knife attack at Grand Central 42 Street subway station in New York injured two with neck and wrist slashes.

Police recovered a knife from inside the station where a 42-year-old man and 26-year-old woman were slashed on Christmas Eve.

Two people were stabbed in New York City’s Grand Central 42nd Street subway station on Christmas Eve in separate attacks. Both victims were taken to hospital and are in stable condition following the attacks in the busy Midtown station,

The man accused of killing a New York City subway rider by setting her on fire has no memory of "what happened" and admitted to heavy drinking, authorities said Tuesday.