Boris Johnson's resignation highlights the deep divisions within the Conservative Party. Many commentators doubt Saturday a real political retirement of the former prime minister.

The 58-year-old former leader, ousted from Downing Street by his majority last July, handed over Friday night his mandate as MP. He invokes the parliamentary inquiry into "partygate", the parties held in Downing Street in violation of Covid-19 restrictions. He claims to be the victim of a "witch hunt" and slams his successor, Rishi Sunak.