Factbox-How UK PM Johnson could be ousted by unhappy Conservative lawmakers

FILE PHOTO: British Prime Minister Boris Johnson attends a news briefing with Ukraine's President Volodymyr Zelenskiy, as Russia?s attack on Ukraine continues, in Kyiv, Ukraine April 9, 2022. Ukrainian Presidential Press Service/Handout via REUTERS

LONDON (Reuters) - Britain's Prime Minister Boris Johnson and his finance minister Rishi Sunak are to receive fines for breaching strict coronavirus lockdown rules, the government said on Tuesday, adding to public outrage and resignation demands.

The party allegations had already threatened Johnson's position earlier this year when a number of lawmakers in his own Conservative Party called for him to quit as public trust plummeted and support for the government shrank.