NATIONAL HARBOR, Maryland (CBSNewYork) — Retired neurosurgeon Ben Carson officially suspended his campaign for the Republican presidential nomination Friday.

Carson made the announcement at the Conservative Political Action Conference, or CPAC.

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Senior strategists for Carson told CBS News Correspondent Major Garrett on Wednesday the candidate’s campaign for the presidency was over. According to the strategists, Dr. Carson had decided not to solicit contributions and will return any donations received today or in the future. CBS News reported.

He also sat out from the Republican debate in Detroit on Thursday.

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Carson said in a statement Wednesday that he sees “no path forward” to the nomination.

“I do not see a political path forward in light of last evening’s Super Tuesday primary results,” Carson wrote in a statement on his website. “However, this grassroots movement on behalf of ‘We the People’ will continue. Along with millions of patriots who have supported my campaign for President, I remain committed to Saving America for Future Generations.”

Politico reported Carson will head up a non-partisan group aimed at getting Christian voters to the polls.

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Carson has not endorsed another candidate.