Just to reinforce my point about farcical "immigration bail" here's the latest raid news from the UKBA

Ten people have been arrested following a UK Border Agency raid on a restaurant in Paddington.

Acting on intelligence, officers visited the Al Shishawi on Edgware Road at around 19:00 on the evening of Saturday 12 March, where they checked staff to ensure they had the right to work in the UK.

Ten illegal workers were arrested for a variety of immigration offences - 6 Egyptian men, 3 men from Mauritania, Libya and Kuwait and a woman from Morocco. Nine of the 10 have been detained pending their removal from the UK while the other has been granted immigration bail.

http://www.ukba.homeoffice.gov.uk/si...ested-edgeware