Washtenaw County Sheriff's deputies investigated a bomb threat at a store in the 2100 block of Ellsworth Road in Ypsilanti Township Wednesday evening.

A man called the store at about 8 p.m. claiming a bomb was inside, a sheriff's summary said.

The summary did not say the name of the store. A canine from St. Joseph Mercy Hospital searched the building, but didn't locate anything suspicious, the summary said.

Police are investigating to determine who placed the call.