New Delhi, July 13 -- Vietnamese police detained Sunday the captain of a speedboat that capsized off southern Vietnam, killing 15 Indian tourists.

The speedboat was carrying 32 Indian tourists and four Vietnamese crew members when it overturned less than half a kilometer (0.30 mile) from shore Saturday afternoon, shortly after leaving Hon May Rut Ngoai island near Phu Quoc, Vietnam's largest island, authorities said.

The captain, Nguyen Hong Hai, 57, is under investigation for alleged violations of waterway transport safety regulations, state media reported.

Sixteen survivors of Saturday's speedboat accident have been discharged from the hospital and are returning to India, the Indian Embassy in Hanoi said on social media Sunday. One r...