The UK’s ruling Conservative Party has admitted that an “unauthorised” gathering took place in the party’s headquarters in December last year when indoor socialising was banned under COVID-19 restrictions. The admission has further complicated Prime Minister Boris Johnson’s attempt to move on from the crisis sparked by allegations that a lockdown-breaking Christmas party was held in Downing Street on Dec. 18, 2020. On Wednesday, Johnson ordered Cabinet Secretary Simon Case to conduct an internal investigation into the allegations, and senior aide Allegra Stratton resigned after a video emerged showing her joking about the alleged gathering. But the damage-control exercise was thrown into further chaos when Thursday’s Times of London newspaper reported that another rule-breaking event was held in the same month inside the Conservative Party’s headquarters in Westminster. According to the paper, on Dec. 14, 2020, about 25 people gathered in the basement of the Tory headquarters in Westminster. The …