Tourists from New Zealand, Spain, France, Germany and the Netherlands are thought to be among those rescued after a boat reportedly hit a reef in bad weather during the three-day journey in Indonesia.
While two Britons were among the survivors, the fate of the other 15 people on board, thought to be of various nationalities and reportedly including four Indonesian crew members and Indonesian guide, is not yet known.
More top news
Twelve people have been killed and three injured after a pick-up truck and a church minibus crashed head-on in Texas.
Revenge porn offenders who attempt to magnify their targets' humiliation will face the toughest penalties under new sentencing proposals.
A remarkably mild night with misty low cloud on the hills of Scotland, Wales and north-west England and further rain in places.