A major crash involving a big-rig in Collin County has killed at least one person Tuesday morning.
The crash took place near U.S. 380 and Bridgefarmer Road in the small town of Lowry Crossing just east of McKinney.
An air ambulance has been requested at the scene.
Officers in Princeton are investigating the crash.
NBC 5 has a crew on the way and we'll update this story with more information later today.