NEW : Police : Brown turned himself in after woman accused him of attacking her . Brown , nominated for two Grammy Awards , was a no-show Sunday night at the nationally televised awards show . Brown a no-show at Grammy Awards , where he was to perform Sunday . Advertisement - STORY CONTINUES BELOW Police have n't named woman ; Brown 's girlfriend , Rihanna , cancels performance .
NEW : Police : Brown turned himself in after woman accused him of attacking her . Brown a no-show at Grammy Awards , where he was to perform Sunday . Advertisement - STORY CONTINUES BELOW Police have n't named woman ; Brown 's girlfriend , Rihanna , cancels performance .