Former Pennsylvania Sen. Rick Santorum will announce his bid for the 2016 Republican presidential nomination on May 27 in the Pittsburgh area.
He told Fox News he would hold the event in Butler, Pennsylvania, where he was raised.
Santorum ran for the Republican presidential nomination in 2012, and surprised many by winning the leadoff Iowa caucuses. But his strong support among social conservatives was eventually no match for the organization and fundraising prowess of eventual nominee Mitt Romney.
Santorum says he was "clearly the underdog" in that race, and acknowledges he would be in the same position in 2016. But he says he is "very comfortable there."
Santorum's website said "a special announcement" will be made on the evening of May 27.