ORLANDO, Fla. — The Orange County Sheriff's Office is investigating the drowning of a 44-year-old woman overnight. 

Deputies were called out around 12:40 a.m. to 8604 Captiva Court in Orlando where the victim was being given CPR by her boyfriend. Deputies said the boyfriend discovered the 44-year-old woman unconscious in the backyard pool. 

The victim was transported to Winter Park Hospital where she was pronounced deceased. 

The investigation remains ongoing.