Police will investigate a video which seems to show a York player punching a fan after the Minstermen clinched promotion back to the Football League for the first time in a decade on Saturday. An extraordinary conclusion unfolded at Rochdale , where York claimed a 1-1 draw that was enough to secure top spot in the National League thanks to Josh Stones’ goal in the 13th minute of stoppage-time. However, during the second of two pitch invasions – Rochdale fans had earlier stormed on to the pitch after Emmanuel Dieseruvwe had put them ahead – a recording circulating online appears to show a confrontation between a fan and a York player, who was on his knees at the final whistle. As stewards attempted to separate the pair, the player got to his feet and appeared to punch the fan. “We are aware of a video that is circulating of a possible assault involving a player and we have linked in with both clubs and the National League ,” Greater Manchester Police said in a statement.…