(Portland, OR) -- Portland Police have released video from officer worn cameras of an incident where a neck hold was used on a suspect who tried to grab an officer's gun during a fight. The suspect had tried to hit cars with a metal pole. As officers were taking 43-year-old Bo Davis into custody, he resisted. A fight with officers lasted over four minutes. Video shows during the fight, Davis tried to grab an officer's gun several times. A Taser was ineffective. The neck hold allowed officers to take Davis into custody. He faces several charges. The use of force investigation continues.