18:00Six O'Clock News07/05/2016 Sadiq Khan sworn in as London's first Muslim mayorBBC Radio 4 Duration: 15 minutes Sat 7th May 2016, 18:00 on BBC Radio 4 LWAvailable for over a yearListen nowMr Khan promises to "represent every single community"; senior Tories defend smear claimsGenresNewsFormatsBulletinsBrandSix O'Clock News Source: BBC Online