Britain's former prime minister Tony Blair today called for stricter controls on migration from within the European Union (EU) to avoid the country having to completely split from the economic bloc.
The Labour leader, under whose leadership the UK is seen as having opened its doors to migration from around the world in the 1990s, said the times have changed.
Writing in 'The Sunday Times', Blair acknowledged that he has changed his mind since his government had chosen not to invoke transitional controls on migrants from newer EU members from eastern Europe, unlike most other countries within the union.
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"But the real point is that the times were different; the sentiment was different; and intelligent politics takes account of such change."
Blair's Institute for Global Change has released a report that says EU nationals should already have an offer of work when they arrive in the UK.
Those who didn't earn permission to stay would be banned from opening a bank account, renting a home or claiming benefits.
Under existing rules, citizens of other EU countries can be removed after six monthsif they have not found a job, have no realistic possibility of finding one, and require support from the UK's welfare system.
The former prime minister argues that by bringing in proper immigration controls it would be possible to take back control of Britain's borders without leaving the EU.
Blair says the concerns of "leave" voters about "pressure on services", "downward pressure on wages", the "cultural integration" of migrants and control now "cannot be ignored".
He warns opponents of Brexit that they must accept "uncomfortable choices".
"There is no diversion possible from Brexit without addressing the grievances which gave rise to it. Paradoxically, we have to respect the referendum vote to change it," Blair writes.
His institute's report, authored by Harvey Redgrave, a former Downing Street policy expert, suggests British Prime Minister Theresa May seeks to get the EU to modify its freedom of movement rules by introducing an emergency brake on new arrivals when public services are overstretched.
Blair warns the Labour party that it should back tougher measures to avoid being painted "as the open borders party" and says party leader Jeremy Corbyn should start "making the case against" Brexit.
He writes: "We can curtail the things that people feel are damaging about European immigration, both by domestic policy change and by agreeing change within Europe. This is precisely the territory the Labour Party should camp upon.
"If we go ahead with Brexit, we will have taken the unprecedented decision for a major country to relegate ourselves, like a top-six Premiership side deciding to play exclusively in the Championship.
"Other than President [Donald] Trump, I can't think of a single leader of any of our major allies or partners who thinks this decision is anything other than self-harming."
Downing Street has chosen not to comment on the report's findings or Blair's intervention so far.
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