Authorities are responding to a freight train derailment in New Jersey.
A call about the train with three tank cars on their sides near Tremley Point Road in Linden came in before 8 a.m. Thursday.
Chopper 4 was over the scene, just off the New Jersey Turnpike.
Union County hazmat teams were called out as a precaution. No injuries were immediately reported.
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NJ Transit said its commuter trains weren't affected.
It wasn't clear how long cleanup could take.
