PROVIDENCE — A woman is accused of attacking her mother and trying to choke her while being driven to Butler Hospital for treatment Saturday afternoon.

The police found Karen Chase, 66, shaken and bleeding in her car on Blackstone Boulevard, with bystanders there to help her, according to the police. Her daughter, Erin Chase, 23, had fled the car but was found a short distance away, appearing to be incoherent and under the influence of a narcotic, according to the police.

Both women were taken to Rhode Island Hospital for treatment. Detectives charged Erin Chase with felony domestic assault.