The three Eurosceptic Cabinet ministers tasked with helping Britain to leave the EU should "get on" with triggering Article 50, Iain Duncan Smith has said.

The former Work and Pensions Secretary downplayed reports of tensions between Boris Johnson, Liam Fox and David Davis, as he insisted the three are "clear" they need to kick off the the formal process for withdrawing from the EU as "soon as possible".

It comes as divisions are emerging over fears Theresa May wants a more limited departure from the EU than many Tory backbenchers given she campaigned against Brexit.