Troopers responded at the scene of an injury collision involving an overturned semi in Canadian County. 

The City of Norman is investigating an incident that sent one person to the hospital after the landing of a Chinook helicopter went awry.

A driver opened fire on a North Carolina state trooper during a traffic stop early Wednesday, killing the 11-year Highway Patrol veteran, authorities said.

Emergency crews respond to a reported injury crash near Edmond.