Met chief rejects calls to scrap live facial recognition at Notting Hill carnival

Mark Rowley says technology will be non-discriminatory' and does not perform in a way which exhibits bias'

The Metropolitan police commissioner has hit back at demands to drop the use of live facial recognition cameras at this weekend's Notting Hill carnival over concerns of racial bias and an impending legal challenge.

Mark Rowley wrote in a letter that the instant face-matching technology would be used at Europe's biggest street carnival in a non-discriminatory way" using an algorithm that does not perform in a way which exhibits bias".