article_snippet.sent: CCTV footage of the devastating moment a man put a man in a coma with a single punch has been released for the first time, with the brother responsible soon to learn if a man will serve prison time.
article_snippet.sent: Downing Centre Local Court showed the security footage of the violent altercation between Irishman Barry Lyttle and Irishman Barry Lyttle younger brother, Patrick, during a sentence hearing on Wednesday.
article_snippet.sent: Scroll down for video .
article_snippet.sent: After being pushed by Irishman Barry Lyttle, Irishman Barry Lyttle retaliates with a single punch (left) which causes Barry's younger brother Patrick Lyttle to fall to the ground, Barry's younger brother Patrick Lyttle head snapping back and body crumpling (right)
article_snippet.sent: On Thursday, security footage was shown for the first time, revealing the details of the distressing altercation outside Hugo's Lounge in Sydney's Potts Point when Barry received a single blow to his head during an argument with Barry's younger brother Patrick Lyttle.
article_snippet.sent: As Barry's younger brother Patrick Lyttle starts to walk away from the argument, Barry pushes Barry's younger brother Patrick Lyttle roughly.
article_snippet.sent: A split second later, Barry's younger brother Patrick Lyttle retaliates with a brutal punch to Barry's head.
article_snippet.sent: It is a distressing scene as Patrick's head snaps back from the force of Barry's younger brother Patrick Lyttle's blow.
highlights_snippet.sent: Footage has been released of the moment Barry Lyttle punched Barry Lyttle brother .
  
highlights_snippet.sent: Altercation left Barry's younger brother Patrick Lyttle fighting for Barry's younger brother Patrick Lyttle life .
  
highlights_snippet.sent: Video shows Patrick pushing Barry and the latter retaliates with one punch .
  