A man who killed a Royal Marine with a single punch on a night out in Rochdale has been jailed for four years.
Reece Kay, 20, admitted the manslaughter of 19-year old-Wesley Clutterbuck earlier this month.
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The hashtag #RoomForManchester was being widely shared.
Nineteen dead in what police confirm was a terror attack
Witnesses reported hearing a "huge bang" at the venue during the concert on Monday evening.