Shocking moment thug headbutts officer in Bedford hospital corridor

This is the shocking moment a thug headbutts a police officer with such force that both men collapse unconscious in a hospital corridor.The violent assault left the officer with a broken nose that required stitches and saw the attacker jailed for two and a half years.CCTV footage shows Liam Moriarty, 31, launching the attack at Special Constable Jack Capener in Bedford Hospital after being brought in for treatment following a car crash.The impact knocks both men out cold as the pair slump to the floor