By Steve Beck

DEPTFORD, N.J. (CBS) – At least one person was seriously injured in a crash involving two tractor-trailers and three passenger cars on the New Jersey Turnpike Monday afternoon.

The accident happened at about 1 p.m. in the southbound lanes of the Turnpike near mile marker 21 in Deptford, New Jersey.

According to authorities, the crash involved three cars and two tractor-trailers. There were reports of at least one serious injury.

The accident closed all lanes of the southbound lanes of the Turnpike.

The cause of the accident remains under investigation.

Stay with CBSPhilly.com for more information as it becomes available.