U.S. Sen. Markwayne Mullin, Oklahoma's junior senator, has been named as the secretary of Homeland Security, replacing Kristi Noem.

The latest round of storms brings a pretty significant severe weather threat and a tornado risk to Oklahoma on Thursday.

Strong storms pummeled west and northwest Oklahoma Thursday night, with areas seeing power outages and damage.

Vehicle overturns in western Oklahoma as storms track across the state Thursday night.

Tornado captured as severe storm moves through northwest Oklahoma.