Michigan State Police and the Coast Guard are searching for a woman who went underwater near Belle Isle and never resurfaced on Saturday.
According to police, 26-year-old Destani Smith was swimming off a boat that was docked at one of the beaches on Saturday afternoon.
Smith's family tells 7 Action News she is a pre-dental student at Wayne State University.
A team is searching the Detroit River until dark and will resume their efforts Sunday morning.