A Labour source said: "Doreen Lawrence is a hero of modern Britain. The strength and courage she has shown in her fight for justice for her son Stephen has had a profound impact on attitudes to racism and policing.
Her campaigning has changed, and will continue to change, our country for the better.
"Ed Miliband believes voices like hers should always be heard in Parliament."
More top news
Sutton United substitute goalkeeper Wayne Shaw has offered his resignation after eating a pie during a match.
Brixton's tribute to David Bowie will be a gravity-defying structure standing three storeys tall.
The Gambling Commission said: "Integrity in sport is not a joke and we have opened an investigation to establish exactly what happened."