Ten people, including at least six of the foreigners, have been rescued, after their boat sank off the coast of Indonesia.
Among those rescued were two people each from New Zealand and Spain, and one each from Britain and France.
According to Tony Lawton, who is believed to have survived the ordeal, the boat had hit a reef, then floated off at high tide, causing it to sink.
More top news
Malaysia Airlines' website has been hacked by a group proclaiming support for the so-called Islamic State.
Prince Philip has been awarded a knighthood by Australia - sparking a political row in the country.
A "crippling" and "potentially historic" blizzard is set to hit the US, possibly leaving up to 30 inches of snow.