Romney stumps in New Hampshire

DERRY, N.H., Jan. 7 (UPI) -- Mitt Romney, leading in the polls in New Hampshire, returned to the Granite State Saturday to urge supporters to get to the polls for Tuesday's primary.

Romney, who will appear in two debates in the state this weekend, addressed supporters at a rally in Derry, the state's fourth-largest municipality, USA Today reported. He spent most of his 30-minute speech attacking President Obama.

"Don't get too confident over these poll numbers," Romney said. "Things change very quickly. It's fluid."

A group of protesters began chanting "Mitt kills jobs" halfway through the speech. Security guards escorted them out within minutes.

Other Republican candidates focused their fire on Romney.

"The only way Republicans lose is if we screw this up and nominate another moderate who has taken multiple positions on every major issue of our time," said former U.S. Sen. Rick Santorum of Pennsylvania, who came out of the Iowa caucuses eight votes behind Romney.

Former House Speaker Newt Gingrich, who appeared on "Good Morning America" on ABC, said Romney is still beatable once conservatives unite behind a single candidate.