What furious Atletico Madrid 'are saying privately about Arsenal': Anger over 'underhand tactics', THREE penalties, a figure behind the scenes - and the behaviour of a substitute

Atletico Madrid are reported to be furious following their Champions League defeat to Arsenal, with the Spanish club privately angered by what they describe as underhand tactics from Arsenal's players. Key grievances include the awarding of three penalties during the match and the behaviour of an Arsenal substitute. Atletico's frustration also reportedly extends to the refereeing team's decisions throughout the game.