Most people will agree that being a referee is a difficult job at the best of times, but at the worst of times it can be downright dangerous.
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One official in Spain learned that fact when he was on the receiving end of a vicious punch after giving a decision against a player in the Segunda Division B futsal league.
The brutal attack occurred during a game in Catalunya between Barceloneta and Olimpic Floresta.
Once the whistle is blown, the furious player can be seen squaring up to the official before delivering a powerful strike to his head, much to the shock of onlookers.