‘Up to 250,000 people drop off the radar and end up as illegal immigrants in Britain every year, according to secret Home Office figures, amid warnings that border controls are completely ineffective and will only get worse after Brexit. David Wood, who was head of immigration enforcement at the Home Office until 2015, said that more than 1.2million illegal immigrants are currently living in Britain, predominantly after overstaying their visas.’
Daily Telegraph, 16th June 2017
Source: www.telegraph.co.uk
