British boxer Amir Khan posted a series of pictures on Twitter on Thursday showing what he says is an unidentified man "interfering" with the WBA fight supervisor during his split-decision loss to American Lamont Peterson in their light-welterweight title bout. Khan appealed the scoring and raised new questions about last month's fight on his Twitter feed, pointing out a man wearing a hat who sits down ringside next to WBA supervisor Michael Welsh during the bout. The man is seen leaning over Welsh several times and appears to pick up a scorecard on at least two occasions.