An armed robbery that took place early Monday morning in Weston is under investigation. The Umatilla County Sheriff’s Office says it happened around 3am Monday, at the Long Branch Cafe and Saloon in Weston. Deputies say a man wearing a heavy coat, ski mask, and gloves came in through a rear door, flashed a gun to the owner who was inside at the time, and then left with an undisclosed amount of cash. So far, the gunman remains at large.