18:00Six O'Clock News08/08/18 A former Attorney General strongly criticises Boris Johnson over burka commentsBBC Radio 4 Duration: 30 minutes Wed 8th Aug 2018, 18:00 on BBC Radio 4 FMAvailable for over a yearListen nowDominic Grieve said he'd resign from the Conservative Party if Mr Johnson became leaderGenresNewsFormatsBulletinsBrandSix O'Clock News Source: BBC Online