U.S. 31 southbound is closed near Muskegon, Michigan, after a large pileup resulted in cars going into the median and a nearby river.
The pileup was likely caused by inclement weather in the area, causing very bad driving conditions. There are no reports of injuries, but pictures indicate that ambulances were at the scene. Almost a dozen cars seem to be involved. (source) 4:38 p.m. ET December 29, 2017