Keir Starmer sealed a “one in, one out” migrant returns trial with French President Emmanuel Macron that highlighted the limits for now of the UK Prime Minister’s efforts to reset relations with European nations five years after Brexit.

Polling suggests four in 10 voters who are planning on going to Nigel Farage's party would go back to Labour if the small boats issue was tackled.

Britain will grant asylum to one migrant in France who can prove a family connection to the U.K. in exchange for each arriving migrant taken back by France.