Titanic sub: Joe Biden watching search closely as vessel’s oxygen supply dwindles – live

White House says US president is thinking of crew on missing vessel and their families as desperate search continues

No 10 has said the UK Foreign Office is in contact with the family of Hamish Harding, as the rescue operation for the tourist submersible off the coast of Canada continues.

The UK prime minister’s official spokesman said: “The FCDO are in contact with Hamish Harding’s family and the local authorities.