Emergency Alert: traffic hazard on both Hwy 6 and Hwy 1806 south of Mandan

Bismarck, N.D. - UDPATE 11:45: The Morton County Sheriff's Office says 13 demonstrators have been arrested as a result of today's actions.

Police sent out an emergency alert warning drivers not to use Hwy 6 and Hwy 1806 south of Mandan Saturday morning.

The alert is because of "much protester traffic" on the road.

We'll have more information as it becomes available.