18:00Six O'Clock News09/05/2022 Sir Keir Starmer pledges to step down as Labour leader if he is fined for breaching covid lockdown rules.BBC Radio 4 Duration: 30 minutes Mon 9th May 2022, 18:00 on BBC Radio 4 LWAvailable for over a yearListen nowThe latest national and international news from BBC Radio 4.GenresNewsBrandSix O'Clock News Source: BBC Online