Andy Burnham has said he wants an “honest discussion” about Britain readopting freedom of movement with the European Union .

The prime minister has said he is ready for a “very factual, quite evidence-based debate” about a new relationship with Brussels.

He said that ending free movement has come with reduced access to European data on migration, telling The Sunday Times : “Consider what we’ve lost, which was the ability to be part of Eurodac and all the data collaboration around migration. You’ve got to see it in the round, rather than just looking at freedom of movement on its own”.

Eurodac is the EU’s biometric database, which assists border control and supports management of asylum claims.…