The new photos from the Partygate saga have left police facing questions about the credibility of their investigation and a former police chief demanding that they explain themselves urgently.
Last week, the Metropolitan police ended its investigation into a string of Downing Street and Whitehall parties having issued Boris Johnson with only one fine. Westminster insiders say the prime minister had been a willing participant at several social gatherings that breached lockdown rules, yet the police decision appeared to suggest he had broken no rules.
