Authorities in Branch County continue to look for a suspect involved in a strong arm robbery Tuesday night. Coldwater Police responded to the home on the first block of Elm Street around 9:30pm. The victim told authorities that two men that he knows entered his house and assaulted him, taking 90 bucks from his wallet and forced him into room before the fled. The getaway vehicle, a blue Ford F-150, was found behind a bank a short time later in Union City. One of the suspects was arrested at his home on an unrelated warrant - the other man is still at-large.