CANBERRA, Australia, Safar 16, 1438, Nov 16, 2016, SPA -- Two elderly French tourists have died of heart attacks while snorkeling on Australia's Great Barrier Reef, AP cited an official as saying. Association of Marine Park Tourism Operators executive director Col McKenzie said that the 76-year-old man and 74-year-old woman died Wednesday while diving with a group of 21 elderly French people at Michaelmas Cay, north of Cairns in Queensland state. The group had been diving from a catamaran operated by Cairns-based Passions of Paradise when the tragedy occurred in the late morning. --SPA 12:06 LOCAL TIME 09:06 GMT www.spa.gov.sa/w270423