Prime Minister David Cameron and Home Secretary Theresa May Visit Slough

SLOUGH, ENGLAND - JULY 29: Home Office Immigration Enforcement officers arrest an individual during a raid on a property to detain suspected illegal immigrants on July 29, 2014 in Slough, England. Arrested individuals, who are suspected of residing in the UK illegally, are taken to an immigration detention facility pending their removal from the UK. The Government has announced it is to reduce the time EU migrants without realistic job prospects are able claim benefits from six to three months. (Photo by Oli Scarff - WPA Pool /Getty Images)