BBC
May 12, 2015

CCTV footage has been released to help identify a man who attacked a “good Samaritan” outside a bar in Nottingham.
Michael Kane, who was visiting from Glasgow, suffered a fractured skull after he tried to help a woman who was in distress.

One punch left Mr Kane unconscious outside the Bamboo Bar, in Stoney Street, in March. Nottinghamshire Police have since been unable to find the attacker.
https://www.youtube.com/watch?v=mC_DyzGNjpQ