A heroic bystander filmed fighting off a Sudanese migrant as he tried to behead his victim on the streets of the United Kingdom has been praised, with a fundraiser set up to buy him a drink. Matt McKiernan, 32, has come forward as the man filmed swinging an Irish wooden hurling stick as he defends a stranger during Monday night’s shocking attacks on a street in Belfast , Northern Ireland. Graphic video showed the knifeman, an unidentified Sudanese migrant, pinning his victim to the ground