Stephen Lawrence's mother has urged witnesses to come forward with information about her son's murder as an official review into the case begins.

Stephen was murdered 32 years ago in Eltham, south-east London, but it was only after a long Daily Mail campaign that his racist killers began to be prosecuted.

Just two of the original five main suspects, all named in a groundbreaking Daily Mail front page, were convicted of the 1993 murder – and that was not until 2012, when David Norris and Gary Dobson were jailed for life.

Questions about the Metropolitan Police's investigations remain – particularly from Stephen's mother, Doreen, who was ennobled for leading the fight for justice.

Baroness Lawrence said: 'This is the last opportunity that we're going to have to get the complete justice that I think Stephen so deserves.