UPDATE (6:16 p.m.): Police have confirmed the identity as Timothy Groenhout, who was last seen Jan. 24 in downtown Grand Rapids.
At this time, it is unclear how Groenhout ended in the Grand River. The cause of his death appears to be drowning, although toxicology results are pending. Foul play is not suspected.
ORIGINAL STORY: Grand Rapids police said a body was found Saturday night in the Grand River near the Kent Trail.