Gerald Herbert, Associated Press
Republican presidential candidate, former Massachusetts Gov. Mitt Romney talks to reporters on his campaign plane before taking off for Boston, Tuesday, March 6, 2012, in Columbus, Ohio. Romney has won the Virginia Republican primary on Super Tuesday.

WASHINGTON — Mitt Romney has won Republican presidential primaries in Vermont and Virginia, and Newt Gingrich has won in his home state of Georgia.

Voters across 10 states are choosing among the Republican candidates on Super Tuesday. Romney and Rick Santorum are in a close contest in Ohio.