What else is the army for if not to stop invasions! : http://www.independent.co.uk/news/world/middle-east/nigel-farage-says-army-should-be-sent-in-to-deal-with-calais-migrant-crisis-10423380.html

The French need to establish a 50 mile migrant exclusion zone around Calais and make it clear that any migrants picked up in that area will be interned (in Marseilles preferably) until they decide to return to their country of origin.