How Prevent is tackling young extremism 20 years after the 7/7 bombings Over the last six years, 50% of referrals to the deradicalisation programme Prevent have been children under the age of 18, with 11 to 15-year-olds being the largest age group to get referred.

(Sky News) Radicalised nine-year-olds, teenagers mixing incel culture with extreme right ideologies and a Muslim who idolises Hitler — this is just some of the casework of those tasked with deradicalising young extremists in the UK.

Monday will mark 20 years since the 7/7 attacks on the London transport network when four suicide bombers killed 52 people and injured 770 others.

A year later the government set up its deradicalisation programme Prevent as part of its counter-terrorism strategy.

Sky News has spoken to two leading intervention providers (IPs) at Prevent who both say their work is getting ever more complex and the referrals younger.

The Metropolitan Police’s Prevent co-ordinator, Detective Superintendent Jane Corrigan, has also told Sky News it is “tragic” that when it comes to terrorism, “one in five of all our arrests is a child under 17.”

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