The US Coastguard has confirmed the “catastrophic implosion” of Titan submersible, and tributes have been paid to those on board who’ve died.Adam talks to North America Correspondent Nomia Iqbal, who’s in Newfoundland where it set off from, as well as David Russell, who led the UK effort to rescue survivors from the sunken Russian submarine Kursk in the Barents Sea in 2000.You can join our Newscast online community here: https://tinyurl.com/newscastcommunityhereThis Newscast was presented by Adam Fleming. It was made by Chris Flynn with Clare Williamson. The technical producer was Mike Regaard. The editor is Jonathan Aspinwall.