Sheffield United's Billy Sharp responds as man is arrested in connection with pitch attack 

The Blades captain was standing on the sideline after his team lost on penalties to Nottingham Forest in the Championship play-odd semi-final.

Sheffield United's Billy Sharp before the Sky Bet Championship play-off semi-final, second leg match at the City Ground. Photo credit: Mike Egerton/PA Wire.

Warning: Graphic imagery of incident below*

Sheffield United captain Billy Sharp has spoken out after he was attacked by a fan after their penalty shootout loss to Nottingham Forest in the Championship play-off semi-final last night.