Former Massachusetts Governor Mitt Romney was the victor in Ohio's Republican presidential primary elections, winning the state with a 12,000 vote lead over ex-Pennsylvania Senator Rick Santorum. The race in they key swing state of Ohio was closely watched. In addition to his win in Ohio, Romney won primaries in four other states.
Romney won primaries in Ohio, Idaho, Massachusetts, Vermont, and Virginia. Meanwhile, Santorum won in Tennessee, North Dakota, and Oklahoma. Former House Speaker Newt Gingrich won in Georgia.
In order to secure the Republican Party's presidential nomination, a candidate requires 1,144 delegates from pre-convention primaries. 419 delegates were at state on Super Tuesday, and 353 delegates had already been won in previous primaries.