Former Senator John Sununu has announced a campaign for US Senate. Tom Williams/Roll Call via Getty Images AP —

New Hampshire Republican John E. Sununu announced a campaign for US Senate on Wednesday, hoping to reclaim a seat he lost nearly two decades ago and boosting the GOP’s chances of regaining a foothold in a region overwhelmingly represented by Democrats.

Sununu, 61, is seeking the Republican nomination for the seat being vacated by US Sen. Jeanne Shaheen , a Democrat who ousted him in 2008. His decision sets up a primary featuring two former senators: Republican Scott Brown, who represented Massachusetts before moving to New Hampshire and losing to Shaheen in 2014, has been running since June.

“Maybe you’re surprised to hear that I’m running for the Senate again. I’m

See Full Page