A council worker who was foundwith 352 computer discs containing terrorist material was today jailed for twoyears.
London Borough of Hackney revenue officer Khalid Baqa, 48, stashed the discs - which included 26 hours of speeches by the hate preacher Anwar al-Awlaki - in his car and his children's bedroom.
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Paramedics were on standby outside the police cordon as armed officers stood by the property.
A team of researchers has taken samples from the ten busiest London Underground lines to work out which are the dirtiest.
The action comes on top of an emergency timetable which has seen hundreds of trains a day being axed.