The pair are charged with terror offences after an operation by Counter Terror police
The M1's reopened after a crash near Milton Keynes that saw part of the motorway completely closed for more than seven hours.
The crash involving three lorries happened on the southbound carriageway between Junction 14 for Milton Keynes and 13 for Bedford at 3.30am on Thursday 12 April 2012.
The closures were completely lifted just after 11am.
Bedfordshire Police say a man was seriously injured in the crash.
Anyone with information about the crash is asked to contact Inpsector Matt Thompson in the Collision Investigation Unit on 01234 842439, text to 07786 200011 or telephone Crimestoppers, anonymously, on 0800 555 111.
Car smashes into over vehicles after reports of man driving erractically
Milton Keynes, Bedford and Northampton warm-up for Rugby World Cup
A review has found two officers with Bedfordshire Police have misconduct cases to answer for over the child abuse investigation about Ian Watkins.
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