Immigration backlog 'tops 500,000'
13 July 2013 Last updated at 08:49 BST
The backlog of unresolved immigration cases has grown to more than 500,000, a group of influential MPs has said.
The Home Affairs Committee said that at present rates it could take 37 years to clear.
In its latest report into the system, the cross-party committee questioned whether splitting up the UK Border Agency would change anything.
Danny Shaw reports.