By Paul Burnell
BBC News
A football fan has been charged in connection with tragedy chanting at the Manchester United v Liverpool FA Cup quarter-final match.
Michael Bernard Avery, 44, from Manchester, was charged with a public order offence and bailed.
It followed an investigation by Greater Manchester Police (GMP) after a video was shared of a man in the home section of the Old Trafford crowd.
A video of an alleged offence in the Liverpool end is being investigated.
GMP has worked closely collaboration with both clubs and supporters' groups to investigate a number of reports of tragedy chanting and video clips on social media.