MOUNT VERNON, Wash. (AP) — A Sauk-Suiattle tribal police officer was arrested on accusations that he brandished a firearm and made threats outside a bar north of Mount Vernon in Burlington. The Skagit Valley Herald reports Burlington police say officers were called early Tuesday about a belligerent man with a handgun. Police say witnesses told officers the man had been in an altercation. Police say he walked to his car and brandished a gun in a threatening manner while making verbal threats. Police say the man had left before police arrived, but he was stopped a short time later. He was booked into the Skagit County jail for investigation of felony charges. His name wasn’t released.