Woman dies during manta ray snorkel tour in Hawaii; cause under investigation.

A 62-year-old Oregon woman, Lori Trende-Landgraver, died after a guided manta ray snorkel tour in Kona, Hawaii. She complained of arm soreness and later became unresponsive. Despite CPR efforts on the boat and by medical personnel, she was pronounced dead at Kona Community Hospital. The police are investigating the incident as a possible drowning, with no foul play suspected.