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In page William Blake:

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Blake's first biographer, Alexander Gilchrist, records that in June 1780 Blake was walking towards Basire's shop in Great Queen Street when he was swept up by a rampaging mob that stormed Newgate Prison.[1] The mob attacked the prison gates with shovels and pickaxes, set the building ablaze, and released the prisoners inside. Blake was reportedly in the front rank of the mob during the attack. The riots, in response to a parliamentary bill revoking sanctions against Roman Catholicism, became known as the Gordon Riots and provoked a flurry of legislation from the government of George III, and the creation of the first police force.[citation needed]