Prestwich busker, who is known to officers, was asked to move on and has been 'compliant' when asked to do so in the past. But on this occasion, he made threats to 'seriously harm' the officer involved - 'out of character' for the busker, say police.His anger escalated as a gang of school children began to antagonise him and a large crowd began to gather as he was being spoken to by officers.The man became so irate that officers were forced to restrain him.
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