Big rig leaks liquid nitrogen on I-45 in north Houston

July 21, 2013 4:22:53 PM PDT
Hazmat crews were called out to north Houston this morning after an 18-wheeler carrying liquid nitrogen started leaking.

The driver noticed the leak while driving along Interstate 45 and pulled over along the feeder road at Blue Bell.

One lane was closed while crews worked to fix a valve in the back of the truck.

Authorities say no one was in any danger.

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