One person remains in hospital this week following a single vehicle crash near the intersection of Tow Hill Road and Cemetery Road the evening of May 13, says Sgt. Grant MacDonald of the Masset RCMP detachment.Sgt. MacDonald said police were called to the accident scene around 10 pm. The vehicle was upside down and police called the BC Ambulance Service to help the three people inside. All three were taken to the Northern Haida Gwaii Hospital for treatment of injuries. Two have been released, and one remains in hospital.Sgt. MacDonald said police investigation revealed that the driver lost control while driving on Cemetery Road, and rolled the vehicle, which came to rest on its roof near Tow Hill Road.Alcohol and speed are believed to be factors in the accident, he said.A 23-year-old man from Old Massett has been charged with driving while impaired, driving with a blood-alcohol level over 0.08, impaired driving causing bodily harm and breach of recognizance, Sgt. MacDonald said. The man is scheduled to appear in court on June 10. Police continue to investigate the accident.