G ov. Nathan Deal this afternoon became the highest-ranking Georgia Republican to criticize DeKalb County's historic plan to allow voters to cast their ballots on a Sunday.

The Democratic stronghold intends to make Oct. 26 an extra day to vote. Three voting locations, including one in the Gallery at South DeKalb, will be open that Sunday. Fulton today announced expanded early voting on two Sundays. Other counties could follow suit.

The idea has infuriated some Republicans, including state Sen. Fran Millar, who on Tuesday vowed to " eliminate this election law loophole" come January.

A spokesman for the Secretary of State's office said the Sunday vote plan conforms with current law. But the governor, at an event with Louisiana Gov. Bobby Jindal, said he expects state lawmakers to bring about "some degree of uniformity" in election law next year.

"It's certainly the departure from the norm. And it apparently has a partisan purpose behind - at least they admit it has a partisan purpose behind it of trying to increase the Democratic turnout," said Deal. "I don't think anything that has to do with elections should be tilted one way or the other for partisan purposes."

He added: "I feel sure this is an issue that the General Assembly will probably be looking at very seriously come January."