Police launch investigation into allegations of ` ` racist gesture '' by Chelsea supporter . Supporter dressed in British national colours making alleged gesture . Manchester United striker Danny Wilson said to be the target of alleged abuse . Chelsea promise to ` ` take the strongest possible action , including criminal investigation ''
Police launch investigation into allegations of `` racist gesture '' by Chelsea supporter . Supporter photographed in British national newspaper making alleged gesture . Manchester United striker Danny Welbeck appeared to be the target of alleged abuse . Chelsea promise to `` take the strongest possible action , including criminal prosecution ''