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This is the shocking moment masked thugs tried to steal a Rolex watch from a former MMA fighter as he walked with his two sons through north London.
The four-strong gang set upon Raf Filiz, 46, in Cockfosters, battering him to the ground while trying to rip the £11,000 timepiece from his arm.
His sons Aaron and Kai, both under 16, were also hit as the muggers pinned the 5ft 6ins fighter turned IT consultant to the floor.
But he managed to fight them off and th