A 16-year-old schoolgirl was punched in the face by a deranged woman in yet another random attack in the city's beleaguered subway system, police said this week.

The New York Police Department says officers responded to a 911 call at a subway station where they found a woman on a train who was pronounced dead at the scene. Her cause of death is under investigation.

During a routine midday inspection over the weekend, a conductor discovered the dead body of a woman aboard a NYC subway train. Authorities reported that a woman believed to be between 50 and 60 years old and possibly homeless was found dead on a northbound F train at the Jamaica,