Horrifying moment thug kills good Samaritan with single punch after tragic dad-of-two tried to stop pub brawl

THIS is the horrifying moment a thug kills a good Samaritan with a single punch after the tragic dad tried to stop a pub brawl.

Kieran Egan wept as he was cleared of murder but found guilty of manslaughter after killing David Hallatt.

Sussex PoliceShocking footage shows the moment a good Samaritan was killed[/caption] Sussex PoliceKieran Egan admitted manslaughter[/caption] Sussex PoliceDavid Hallett stepped to try and stop a fight[/caption]

Police have released the...