UK border authorities have said the protest by Syrian refugees at the port of Calais is a matter for the French authorities. In a statement, the Home Office said:
The responsibility for legal and illegal migration in France is the responsibility of the French authorities.
We work very closely on matters of border security with the French authorities to maintain the integrity of the controls.
More top news
A freezing, frosty night for some of us, milder for others
Researchers are developing vaccines for new, emerging and unknown diseases before they cause global health emergencies.
Barack Obama urged Donald Trump to "go forward with his vision and his values", as he warned of "complexities" in office.