Officials say eight to 10 cars derailed on the 2000 block of Wheatsheaf Lane.
Temperatures have plunged to -30 degree Celsius (-22F) and below in parts of North America as extreme cold weather known as a polar vortex strikes the region. At least eight people are reported to have died in incidents related to the weather.
Pssst, India's Royal Rajasthan on Wheels is listed among these great rail journeys.
A Sikh student was not allowed to board a bus in California after the driver raised objection to his wearing a ceremonial knife or kirpan and called the police.
The explosion was the second in New Jersey since Sunday. It came as developments continued moving quickly more than 24 hours after a bombing injured 29 people in Manhattan.