Rick Santorum concedes to Mitt Romney in phone call, will meet the press

— -- Rick Santorum called Mitt Romney Tuesday to say he is ending his presidential campaign, Yahoo News has learned.

Santorum is scheduled to make an announcement at a press conference in Gettysburg, Pa., at 2 p.m. ET.

Calls to several campaign aides from Yahoo News were not returned before the event.

Watch the announcement live here:

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