A member of the police bomb squad walks away from an unattended backpack left on the road near the finish line of the Boston Marathon in Boston. A man is in police custody following the security alert, which prompted evacuations of the surrounding area.
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David Cameron will promise to build 200,000 affordable new homes to transform young people from "generation rent to generation buy".
A vulnerable man who accused Leon Brittan of sexual abuse has claimed he was encouraged to make the allegations by campaigners.
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