There is now "sufficient evidence for a realistic prospect of conviction" of PC Alex MacFarlane, a Crown Prosecution Service review concluded.
Lawyers studied footage appearing to show the officer say to a 21-year-old black man: "The problem with you is you will always be a n*****, yeah?".
More top news
A London housing estate has been adorned with England flags as fans show their support for the World Cup team in Russia.
Two teenagers have been jailed over the fatal stabbing of a youth worker who confronted a group of drug dealers outside his home.
Ninety-four Deep Tube trains will be built by Siemens for the Piccadilly Line, with the first entering traffic in 2023.