Four more Tory MPs call for Johnson to quit over Partygate report

Johnson still faces an investigation by the Commons privileges committee into whether he misled parliament by denying that rules were broken in No 10. Photograph: Sue Gray report/Cabinet Office/PA

Four Conservative MPs have called for Boris Johnson to resign in the aftermath of the Sue Gray report, saying they cannot reconcile themselves with his previous statements on Partygate.

The former health minister Stephen Hammond said he had submitted a letter of no confidence in the prime minister to the chair of the 1922 Committee after the investigation confirmed a string of lockdown-busting parties took place in Downing Street.