A crash on Highway 58 involving three vehicles shut down the northbound lanes tonight.

It happened in the 5400 block at Hickory Valley Road around 8:15pm.

Chattanooga police spokesman Victor Miller says one of the vehicles flipped over onto its top, trapping the people inside. Firefighters were eventually able to free them.

Miller says a total of four people were taken to a local hospital where two of them are in critical condition.

Police have reopened one of the northbound lanes of the highway.

The cause of the crash is unknown.

Miller says the investigation is ongoing.

Hamilton County EMS, Chattanooga police, Chattanooga firefighters, and the Highway 58 Volunteer Fire Department responded to the scene.

Stay with WRCBtv.com for updates to this story.