Aid organisations said migrants camped in Calais had made last-ditch attempts to cross the Channel ahead of today's operation.
Border police were said to have spotted groups of up to 40 people hiding in bushes along roads leading to the port.
Some were attempting to jump on lorries as they slowed down.
More top news
A touching note from a passenger thanking a pilot for getting her home safely in the wake of the Germanwings tragedy has gone viral.
Could Gareth Bale be looking for a career change? The striker recently posted pictures of a basketball challenge.
ITV today announced that Jacqui Oatley is to join the channel as a sports presenter