How many lockdown parties did Boris Johnson and staff attend? Here’s a guide.

LONDON — For Britain’s embattled Prime Minister Boris Johnson, “Partygate” is the political scandal he just can’t shake.

An investigation into gatherings at Johnson’s Downing Street office and residence, as well as at other government buildings, described “a serious failure” of leadership when officials were expecting the public to abide by coronavirus restrictions. A nine-page summary of the findings by senior civil servant Sue Gray concluded that some of the events “should not have been allowed to take place.”