 According to the study these children are at risk of destitution, exploitation and social exclusion because of contradictory and frequently changing rules and regulations which jeopardize their access to healthcare, education, protection by the police and other public services.The Home Office estimated that 4,000 to 10,000 applications a year to stay in the UK are made on the basis of a sham marriage.Many undocumented immigrants or asylum seekers have tried to enter the UK from France, by hiding inside trucks or trains.