Acadia Broadcasting File Photo

Thunder Bay Police have laid a charge of attempted murder in an ongoing investigation into an assault that occurred earlier this month.

A man was found with serious injuries in a hotel room on Dawson Road.

Police say an edged weapon was used and the assault was unprovoked.

A 37-year -old Thunder Bay man was initially charged with several offences, including aggravated assault.

He now faces a charge of attempted murder and remains in custody.