Holidaymakers returning from France have been told they must continue to quarantine—even if they have been fully-vaccinated—when restrictions ease on other amber list destinations. Ministers said the move, announced late on Friday evening, was a precautionary measure amid concerns over the “persistent presence” in the country of the Beta coronavirus variant. It is thought to reflect concerns that the mutation, first identified in South Africa, may be more resistant to the vaccines. Health Secretary Sajid Javid said the government had always been clear it would take rapid action at the borders to “protect the gains made by our successful vaccination programme.” The announcement is a further blow to the beleaguered travel industry while underlining the uncertainty in some quarters over the ending of lockdown restrictions in England on Monday. Next week also sees the requirement for travellers returning from all other amber list countries to isolate at home for 10 …