HANOI, Vietnam -- Vietnamese officials say they are investigating the deaths of two foreign tourists who were sharing a room in a guesthouse.
The Tuoi Tre newspaper said 27-year-old American Karin Joy Bowerman died of respiratory failure last Monday in the central resort city of Nha Trang. It said her traveling companion, 26-year-old Canadian Cathy Huynh, died three days later after suddenly going into shock.
It says the two, who taught English in South Korea, were sharing a room at a guesthouse.
Forensic official Pham Xuan Thong on Monday confirmed their deaths and said authorities have not been able to determine the cause. He said samples will be analyzed at the National Forensic Examination Center in Hanoi.
The U.S. Embassy confirmed the death of an American but said it could not comment further.