Tory leadership live: Rishi Sunak passes threshold of 100 supporters as Kemi Badenoch gives her backing – as it happened

Boris Johnson arrives back in UK from Dominican Republic but Penny Mordaunt so far only confirmed runner to succeed Liz Truss

• Who is backing whom as next Tory leader

The Conservative former deputy prime minister Dominic Raab said he was confident" Rishi Sunak would run and was the standout candidate" in the field.

He said Sunak had been consistently right" on the economy in the face of the fundamental" economic challenges the country faces as well as the crisis of confidence and trust" in the government. Raab told Sky News:

I think again he is the best-placed candidate to restore that trust, get a government of all the talents across the Conservative party and get the government focused relentlessly on going forward on the priorities of the British people.