After a deadly stabbing at a children’s event in northwestern England, an array of online influencers, anti-Muslim extremists and fascist groups have stoked unrest, experts say.

The violence has been driven by online disinformation and extremist right-wing groups intent on creating disorder after a deadly knife attack on a children’s event in northwestern England, experts said.A range of far-right factions and individuals, including neo-Nazis, violent soccer fans and anti-Muslim campaigners, have promoted and taken part in the unrest, which has also been stoked by online influencers.