Do we have any control over who can stay in this Country?

Apparently not...

"A man alleged to be one of al-Qa'eda's most important operatives in Europe is due to be freed from a British prison next week, it was reported.

After secret negotiations, the prisoner, identified only as U, is expected to be freed on bail from the high-security wing at Long Lartin jail in Worcestershire.

U, a 45-year-old Algerian, is alleged to be a terrorist leader who recruited, trained and facilitated operations. "