Police say a 72-year-old woman died a week after being struck by a stray bullet while in bed at a northwest Oklahoma City home.>> Get the latest news stories of interest by clicking here.At 6:45 p.m. on Aug. 7, police responded to a welfare check call near Northwest 36th and North Portland Avenue after a 72-year-old woman, Kathleen Cade, was found at home in bed with a head wound. Police said it initially appeared that Cade had some kind of laceration, and she was taken to a hospital for evaluation.Hospital staff later told police that Cade's injury was a gunshot wound, according to a news release.Investigators believe she was struck by a stray bullet that entered her room during the early morning hours of Aug. 7 while she was in bed. Police said they believe the bullet entered Cade's room from Northwest 36th Street.>> Download the KOCO 5 AppAt 12:15 p.m. on Wednesday, Cade died from her injury at the hospital. Her death has been ruled a homicide, according to police.No arrests have been made, and police said the investigation is in its early stages. Anyone with information about the case is asked to call the Oklahoma City Police Department's homicide tip line at 405-297-1200. Top Headlines TIMELINE: Severe storms with risk of 60-70 mph damaging winds possible on Thursday Police search for suspect with felony warrant after foot pursuit in southwest Oklahoma City 1 in custody, police search for 2 others after stolen car crashes into fence in northwest OKC Authorities investigating after a plane crashed south of Guthrie New law preventing teachers from directly communicating with students starts this school year