Rescue crews are on the scene of a charter bus crash in Irving at this hour. Fox News radio is reporting 2 passengers have died, 16 in critical condition.

The bus is turned on its side and rescue crews are currently pulling out trapped passengers. Other passengers are being treated on areas to the side of the wreckage. Both northbound and southbound lanes of State Highway 161 have been shut down.

"All I really saw from the distance was a bunch of smoke," a witness who was driving on the southbound lanes of 161 told WFAA-TV. "The bus must have hit something, turned on its side, crashed and slid all the way to the guardrail."

The witness said he saw one person trapped underneath the bus and rescue crews came to the scene about four to five minutes after the bus crashed.

Several ambulances and one helicopter are at the scene.

The bus is owned by Mansfield, TX based Cardinal Coach Line and was in route to casinos in Oklahoma.

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