Will emergency brake in EU deal curb migration?

Cutting benefits to migrants in the UK is not likely to lead to a "dramatic reduction in the numbers of people coming here" says a migration expert.

Madeleine Sumption, the director of the Oxford University Migration Observatory speaks to Edward Stourton on the World at One.

A proposal in the draft plan for a new UK EU deal would include an emergency brake on in-work benefits for EU migrants in the UK.