New Delhi, July 11 -- At least 15 Indians were killed after a speedboat carrying tourists capsized off Vietnam's southern island of Phu Quoc on Saturday, according to state media. The vessel, carrying 36 people, including 32 Indians and four crew members, overturned about 400 metres from May Rut Ngoai islet, the VnExpress news portal reported.

The report said the accident occurred amid rough sea conditions, with strong waves battering the area. Authorities believe the vessel may have overturned because of the turbulent waters, despite the absence of rain and the continued operation of other tourist boats nearby.

Officials from the Phu Quoc Special Economic Zone said the accident caused all passengers and crew on board to be thrown into ...