article_snippet: Officials also hope the crackdown
article_snippet: Tory manifesto is yet to be completed and has undergone a series of re-writes in recent weeks.
article_snippet: Mrs May is pressing for a firm restatement of the Prime Minister's 'tens of thousands' target – despite the fact it was missed spectacularly.
article_snippet: Until now, the focus has been primarily on reducing the numbers coming in.
article_snippet: But campaign groups have raised concerns that the department lacks the resources to track them all down.
article_snippet: The Mail understands Mr Cameron is considering including two different targets in the final manifesto.