The British Government has decided to recognise the National Coalition of the Syrian Revolutionary and Opposition Forces as the "sole legitimate representative" of the Syrian people, Foreign Secretary William Hague announced in the House of Commons.
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Political leaders will go head-to-head at ITV's studios in MediaCityUK in Salford, ITV has confirmed, as the set for the event is unveiled.
More than 100 people claiming to represent working people across Britain have signed a letter backing Labour in the general election.
Nick Clegg has sent a campaign leaflet to his constituents with no Liberal Democrat logo and minimal mention of the party.