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Jacquelyn Martin, Associated Press
House Speaker John Boehner of Ohio speaks during a news conference on Capitol Hill in Washington, Friday, Sept. 25, 2015. In a stunning move, Boehner informed fellow Republicans on Friday that he would resign from Congress at the end of October, stepping aside in the face of hardline conservative opposition that threatened an institutional crisis.

WASHINGTON (AP) — An emotional House Speaker John Boehner says he woke up Friday morning and decided to announce his resignation from Congress because prolonged turmoil over his leadership would do irreparable harm to the House.

The Ohio Republican says he had planned to leave the speakership by the end of the year anyway. But he says he moved up his timetable as unrest among conservatives threatened the House.

He told reporters at a news conference it has been an honor to serve in the House for 25 years and as its top leader. He says California congressman Kevin McCarthy, the No. 2 House Republican, would "make an excellent speaker."