Former top lawyer says anti-terror laws 'may not be legal'

Former Attorney General Dominic Grieve has voiced concerns about the legality of new anti-terror measures, while Labour has accused the Government of being "unclear" in their plans.

The comments come after David Cameron unveiled a series of new measures including giving police the powers to seize passports at UK borders of British citizens they suspect could be travelling abroad to fight with terror groups.

The move follows the announcement on Friday that the UK's terror threat has been upgraded from 'substantial' to 'severe', with the Home Secretary saying an attempted attack was now "highly likely".

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PM: Raising terror threat triggers security measures

David Cameron said extra security measures are now being enforced after the UK's terror threat level was raised to severe.

David Cameron addressing the media. Credit: ITV News

But he said people "should continue to go about our daily lives in a normal way".

He said the British public may see some changes with policing and the number of armed police.

Earlier he warned that the Islamic State poses a "greater and deeper threat to our security than we have known before".

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