1. The Telegraph, 15th August 2016
More than 1million eastern European migrants are now working in Britain, official figures reveal for first time
The Telegraph, 15th August 2016

2. Most European workers arrived after 2004 when Tony Blair opened Britain’s borders. 
7.5 million people living in England and Wales were born outside the UK (13% of the population)

3. POLISH NATIONALS LIVING IN BRITAIN The Guardian, October 2016
In 2004 Tony Blair estimated that no more than 13,000 of the new European members would seek a life in Britain.
but between May 2004 and June 2007, 430,000 Poles applied to come to Britain
Government estimates: Polish nationals living in GB, well spread out across the country

6. Theresa May, the Prime Minister, has vowed to bring in restrictions on EU migrants after Britain leaves the European Union in an issue that is likely to dominate Brexit negotiations.