An estimated 10,000 people gathered in the London area of Walthamstow on Wednesday night as anti-fascist, anti-racist demonstrations swept the UK to counter far-right riots and threats. The community response came after a far-right Telegram group with 13,000 members shared a list of 39 immigration-related charities, advice centres, and solicitors as targets for arson attacks on Wednesday night. The “Terrorgram” group, which started after the Southport attack, also included calls to attack ethnic minorities, anti-fascists, and government ministers, including the founding executive of UK charity…