Rick Santorum, Mitt Romney, Newt Gingrich
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Rick Santorum under fire in Arizona debate

Rick Santorum and Mitt Romney have clashed in a debate in the US state of Arizona days before two states hold key primary elections.

Mr Santorum came under attack from his rivals over healthcare, earmark spending, and voting to raise the debt ceiling.

The candidates were appearing together for the last time before Super Tuesday, when 10 states will hold primary votes.

The BBC's Jonathan Blake reports.

  • 23 Feb 2012