The Office for National Statistics will publish its quarterly migration statistics this morning.
The figures will include data on work permit applications, asylum claims, child detentions and student visas.
The information is based on the provisional migration data for the 12 months leading up to September 2012.
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Gulf War veteran Paul Briggs' widow, Lindsey, 40, launched legal action to have his life support withdrawn so he could "die with dignity".
Rescue workers are at the site Sunday morning trying to cut open mangled coaches.
Despite chilly temperatures it will be a mostly dry day, and milder than yesterday.