The probe piles more pressure on a Conservative prime minister whose grip on power has been shaken by claims he flouted the pandemic rules he imposed on the country.
Alleging that the prime minister and his staff flouted restrictions, some Conservative lawmakers called for Johnson's resignation and triggered intense infighting inside the governing party.
British Prime Minister Boris Johnson has been presented with a number of options under Plan C, ranging from "mild guidance to nudge people, right through to lockdown".
British Prime Minister Boris Johnson said at a briefing that the rate of Omicron cases was doubling every two to three days, risking a 'big rise in hospitalisations'.
Johnson issued an apology and announced an internal inquiry by his Cabinet Secretary Simon Case to establish the full facts around the leaked video.