Twitter reaction

● “In the last 8 months Theresa Mays First Minister, Defence Secretary, Home Secretary, Development Secretary and now Brexit Secretary have all resigned. Normally Prime Ministers dont survive that.” — Tom Newton Dunn, the Sun.

● “Given that no-one appears to be able to work out what Brexit is, and everyones resigning, we HAVE to have a #PeoplesVote and a final say.” — Caitlin Moran, writer.

● “David Davis resigning at such a crucial time shows @Theresa_May has no authority left and is incapable of delivering Brexit.” — Jeremy Corbyn, Labour leader

● “Another couragous and principled MP @SteveBakerHW steps down too, amazing news. Now let's get this party started and make #Brexit happen.” — Andrea Jenkyns, MP

● “I’ve reserved judgement on the Chequers’ Brexit plan, but I have grave misgivings about it and understand entirely why @DavidDavisMP has found it necessary to resign. It was the right thing to do.” — William Wragg, MP

hardline Brexiteer. Up to half a dozen backbench Tory MPs are said to be preparing to submit letters to the party expressing a lack of confidence in the PM after she signed the Cabinet up to a “soft” Brexit plan, which could be enough to force a confidence vote.

May is reported to have discussed