18:00Six O'Clock News01/05/2016 Anti-Semitism row an attempt to 'destabilise' Jeremy CorbynBBC Radio 4 Duration: 15 minutes Sun 1st May 2016, 18:00 on BBC Radio 4 LWAvailable for over a yearListen nowUnion leader says the Labour leader's opponents want to challenge his leadership.GenresNewsFormatsBulletinsBrandSix O'Clock News Source: BBC Online