By Keith Gladdis PUBLISHED: 08:21 EST, 5 February 2013 | UPDATED: 07:26 EST, 6 February 2013 Cities in Germany have warned that ‘social peace’ there is at risk due to an influx of economic migrants from Bulgaria and Romania. In a stark warning to the UK, reports tell of an epidemic of illegal working, chaos in schools because so many children can’t speak German, and an alarming increase in organised crime since the migrants arrived. Dortmund, Hanover, Berlin and Hamburg say they are struggling to absorb a six-fold increase in economic migration from the two countries since 2006.
@highlight
German cities facing 'significant costs' as a result of poverty migration
@highlight
Dortmund, Hanover, Duisburg, Berlin and Hamburg all struggling to cope
@highlight
Chaos in classrooms with native children being held back, report claims
@highlight
Roma families with ten children 'receiving payments for each from the state'
@highlight
Reports of Romanian crime gangs sending children and women out to steal
Germany
German
German
poor, rendering employment in the @placeholder and the UK attractive prospects
Bulgaria
Romania and Bulgaria: The only government welfare payments are child benefit, which is £3.50 per youngster per week in @placeholder and £3.69 in Romania.
Germany
German
German
In @placeholder there are more than 90,000 Bulgarians and 159,000 Romanians.
Roma
However the report by the German cities says: ‘The @placeholder