ITV News Deputy Political Editor Chris Ship has tweeted:
NEW: Lampard tells us he's sorry over his 2001 drunken abuse of Americans post-9/11 & WILL go to 9/11 memorial now he is playing for NYCity
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It is claimed that both police and security services, including MI5, have been prevented from vast pools of data on the social media site.
School funding is shooting up the list of voters' priorities as the General Election approaches, according to researchers.
The Conservative and Labour leaders are expected to use PMQs on Wednesday to push their main campaign messages.