Hanoi, July 20 -- At least 37 people have been confirmed dead after a tourist boat with 48 passengers and five crew members capsized around Vietnam's famed Halong Bay, local media reported on Sunday.

The boat tipped over at 1:45pm (local time) on July 19 near Ti Top Island in the Ha Long Bay World Heritage Site due to a sudden thunderstorm while carrying 48 tourists and five crew members, according to the Vietnam News outlet.

A total of 47 people have been recovered, with 10 survivors and 37 confirmed dead, including four victims whose identities are still being verified.

The cruise ship capsized in Ha Long Bay, in northern Vietnam's Quang Ninh province, on Saturday afternoon, the Vietnam News Agency reported.

The Vinh Xanh 58 tourist...