18:00Six O'Clock News22/10/2022 Sunak Set To Enter Leadership RaceBBC Radio 4 Duration: 15 minutes Sat 22nd Oct 2022, 18:00 on BBC Radio 4 LWAvailable for over a yearListen nowBoris Johnson has spent the day trying to rally support to join the Conservative leadership contest -- and possibly re-enter Downing Street.GenresNewsBrandSix O'Clock News Source: BBC Online