A pickup truck is reported to be on its roof on U.S. 36 north of Boulder.

The Colorado State Patrol is responding to the crash north of Broadway, just north of the city of Boulder, according to CSP Trooper Ivan Alvarado. As of about 1:40 p.m., troopers were not yet on the scene.

Information about road closures, injuries and the number of people involved was unclear.

This is a developing story and may be updated.

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