18:00Six O'Clock News24/05/2020 Prime Minister backs chief aideBBC Radio 4 Duration: 15 minutes Sun 24th May 2020, 18:00 on BBC Radio 4 FMAvailable for over a yearListen nowBoris Johnson has stood by his chief aide, Dominic Cummings, amid claims that he broke lockdown rules and made two journeys from London to Durham.GenresNewsBrandSix O'Clock News Source: BBC Online