Rick Santorum addresses supporters.
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Rick Santorum wins primaries in Alabama and Mississippi

Rick Santorum has won the US Republican primaries in Alabama and Mississippi.

In Alabama, Mr Santorum was on 35%, with Newt Gingrich in second place and Mitt Romney trailing in third.

Addressing supporters in Louisiana, Mr Santorum said that the Republicans could only succeed against President Barack Obama if a conservative standpoint, such as his own, was reflected in the Republican nomination.