The UK and France's "one in, one out" deal to return migrants who cross the Channel on small boats comes into force on Tuesday, with detentions expected to begin within days.
The deal, which has now been approved by the European Commission, means the UK will be able to send people crossing the Channel in small boats back to France in exchange for asylum seekers with ties to Britain.
It also means that anyone arriving in a small boat can be detained immediately, and space has been set aside at immigration removal centres, in the expectation that detentions will begin within days.
The ratification of the treaty comes after Prime Minister Sir Keir Starmer and French President Emmanuel Macron agreed the "one in, one out" pilot scheme last month.
Prime Minister Keir Starmer said: “This is