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Migrants encounter violence and serious assault at the refugee campsLaszlo Balogh/Reuters

German refugee camps have seen a spike in violence and sexual assaults. Sex attacks are described as an "everyday event" at registration centres, where it is reported that migrant women are sold for sex for €10 a time.

In the state of Baden-Wuerttemberg, there were reports of six rapes at refugee camps recently, and in one state alone there have been 100 cases of violence in just the last three months.

At a migrant centre in the town of Kitzingen, a female employee was allegedly sexually assaulted every day for ten days. Two migrants, aged 38 and 52, have been arrested on suspicion of attacking the female cleaner between October 1 and October 10. Officials are now only employing male cleaning staff Breitbart reports.

Expressing her concern at the incidents, local councillor Tamara Bishop said: "As a woman, what happened here really worries me."

The reports come just weeks after German police intervened after a massive brawl erupted at a refugee centre in Hamburg. More than 200 refugees from Syria and Afghanistan clashed overnight at a freshly opened reception centre in the south eastern Bergedorf suburb, sparking a plea from the interior minister for refugees to respect German mores.

Some 50 police vehicles were called at the scene to suppress the violence, which was reportedly triggered by a mobile phone theft. At least four people were injured in the violent clashes where refugees had earlier protested over poor conditions.

The morning after the clashes, interior minister Thomas de Maiziere urged asylum seekers to be understanding and avoid using violence, saying he was aware living conditions in some housing might not be optimal, but the government was doing what it could. "There is no other way at the moment," he said, calling on refugees to accept German rules. "This includes not fighting, this includes having patience and respecting other people, independent of religion and gender."

Germany is expected to receive around one million asylum seekers this year. Meanwhile, the country's parliament is debating tightening its immigration system in response to the huge influx of people arriving in the country.