PORTLAND, Ore. (KATU) — A 30-year-old woman is accused of biting two people and punching a security guard during a violent altercation at a Northwest Portland bar. For the third time in recent months, Portland police have made an arrest at the River Pig Saloon. The latest incident happened on July 2, when police were contacted about a woman who had been detained by security at the bar. According to court documents, a woman told officers she was dancing with friends when the suspect bumped into one of them and pulled her by the hair. When the suspect, later...