Berlin's local press has been full of talk of unrest in the police force in recent days, with accusations being levelled against recruits from Arabic families. But the police chiefs say that the rumours are being fuelled by racism.

A claim by the German Police Union on Wednesday that Berlin's police force has been infiltrated by organized crime was just the latest in a drip drip of controversy to hit the capital's law enforcement over the past few days.

Speaking to broadcaster ZDF, German Police Union spokesman Bodo Pfalzgraf said that there were "clear indications" that Arabic mafia families had developed a strategy of getting inside the police force.

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