New York City Fire Commissioner Salvatore Joseph Cassano has said if the New York commuter train had derailed on a workday and was at full occupancy, the result would have a been "tremendous disaster".
New York State's Metropolitan Transportation Authority said the train was about half full, with approximately 150 passengers on board at the time of the crash.
More top news
Mother of Bobby and Christi Shepherd says Thomas Cook apology was 'too little too late' as she calls for greater safety standards.
The Neverland ranch where pop star Michael Jackson lived until running into financial difficulties has been put up for sale.
A 43rd generation direct descendant of the Prophet Muhammad, the Prince has vowed to clean up Fifa's act.