The mother of Stephen Lawrence, Doreen, will be joined by friends and relatives at a memorial service in London today to mark the 20th anniversary of her son's death.
Mrs Lawrence told the Press Association she was uncertain how she would feel today.
She said: "On the day you can't plan how you're feeling, it's just something that happens. My low point has already started so presumably I will feel quite low."
A memorial service has been held to mark the 20th anniversary of the racist murder of Stephen Lawrence.
Twenty years after Stephen Lawrence's death, an exclusive poll reveals perceptions of attitudes towards race in the Metropolitan Police.