(Portland, OR) -- Portland Police have arrested a man who pepper sprayed an officer and threatened other officers with a knife on Monday. Video showed restaurant customers run for safety when the armed man ran toward them. Police let the man go on Monday to de-escalate the situation. On Wednesday, police found the man in a tent in Northwest Portland and surrounded him with their vehicles. Negotiators tried talking with the man. Eventually, chemical agents were used, and the man was taken into custody uninjured.