Sir Matthew Rycroft told MPs that a one-third reduction in small boat crossings would be needed given the cost of the deportation scheme, which will reach £290million by next year.
Immigration officials launched dawn raids in a coordinated blitz as part of a nationwide crackdown on a gang suspected of ferrying migrants into Britain by air, land and sea.
6,997 migrants from 70 countries arrested by US Border Patrol in San Diego sector. The area saw more apprehensions than anywhere else in the nation last week. Some went to the airport to sleep in bathrooms in lieu of any migrant shelter