President Obama has said "there is a reason" why Blackberries and smart phones are not allowed in the White House situation room, during a conference addressing reforms to the National Security Agency's intelligence gathering.
Mr Obama noted that many of the countries who have loudly protested against American surveillance programmes themselves seek intelligence on the US.
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Rain will spread eastwards across southern areas tonight. Clear and frosty in the north.
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.