Prime Minister David Cameron said: "This is a massive vote of confidence in our long-term economic plan.
"This investment is going to create lots of new jobs and opportunities, meaning more financial security and peace of mind for families and a more resilient economy for our country."
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Even if you're having a tough day in the office, it's unlikely to be as difficult as the one facing the director of the US Secret Service.
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The US Secret Service chief faces questions from politicians today over the latest in a series of worrying White House security breaches.