(BBC) More than 40 migrants trying to reach the UK via the English Channel are thought to have been picked up by the Border Force.
Officials have been seen with groups of people at Dover.
It is not yet clear how many boats were intercepted, but the Home Office said the UK and France were working together to stop people-smuggling gangs.
The latest arrivals took place amid concerns coronavirus has reached refugee camps in France.
Care4Calais founder Clare Moseley said the charity had learned of at least one case of coronavirus in a camp near Dunkirk.