Lin Homer, head of the Border and Immigration Agency, Lin Homer, has told MPs that Ms Sumani did not stand out from other difficult case.

BBC: Demo tribute to removed Ghanaian

The Home Affairs Committee said it had been supplied incorrect data by the agency for six years, and "repeatedly misled" by former head Lin Homer.

BBC: Border agency condemned over backlog

Also giving evidence, former UKBA chief executive Lin Homer said it was "unfortunate" that, at one point, there were 150 boxes of unopened mail from asylum applicants, their lawyers and constituency MPs stored in a room at the agency's Liverpool offices.

BBC: The UK Border at Heathrow