Boris Johnson has refused to offer his unconditional backing to Dominic Cummings, but said he did not believe anyone in Downing Street had done anything to detract from official messaging. When repeatedly asked for a response to Cummings" earlier press conference, in which the senior political adviser detailed his trip to Durham after lockdown measures had been put in place in the UK, the prime minister refused to give one, saying instead that people "will have to make up their own minds" about the trip