UK Conservative Party
The prime minister is on the verge of being ousted after the number of letters calling on him to go reaches the 54 threshold.
Document being circulated among MPs says prime minister must go if Conservatives are to win next general election.
But the Asda chairman has dismissed it as "complete nonsense".
Wakefield and Tiverton and Honiton are going to be huge tests for Boris Johnson, Keir Starmer and Ed Davey.
The deputy prime minister also insisted the Conservative Party will win the next election.
Tory MPs will vote between 6pm and 8pm tonight whether they want to keep Johnson as prime minister and Conservative leader – or oust him.
The prime minister's wife could be summoned to give evidence to MPs over fresh partygate claims.
Boris Johnson went to see the custodians at the front door of No.10 to personally apologise for what had happened.
Sir Bob Neill says a “change in leadership is required” to restore trust in politics, as drip-drip continues.
"If you break the rules just rewrite the rule book is the motto of this despicable government."