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Sande to perform in Lawrence's memory

18 June 2013 Last updated at 16:33 BST

Award-winning pop stars Emeli Sande and Ed Sheeran will perform at a concert to mark the 20th anniversary of the murder of Stephen Lawrence,

Unity: a concert for Stephen Lawrence, will also feature performances from Plan B, Tinie Tempah and Jessie J.

The event, which aims to champion youth and social empowerment, will take place at London's O2 arena on 29 September.

Stephen's mother Doreen Lawrence and singer Emeli Sande spoke to Lizo Mzimba about the concert and its significance.