UK Prime Minister Boris Johnson presided over a culture of lockdown-breaking parties that featured drunken fighting among staff, according to a long-awaited inquiry into what’s been dubbed “Partygate” which was published on Wednesday and prompted renewed calls for his resignation. Johnson is among dozens of people in Downing Street who have received police fines for breaching Covid regulations since 2020 – making Number 10 the most penalised address in the entire country. “I take full responsibility for everything that took place on my watch,” he told MPs in response to the report by senior ci…