LOUISVILLE, Ky. (WDRB) -- Former President Jimmy Carter collapsed in Canada while working with Habitat for Humanity. 

Habitat for Humanity said in a statement that the 92-year-old Carter was "dehydrated working in the hot sun" at a build site in Winnipeg on Thursday. Carter told Habitat officials he is OK, and encouraged volunteers to keep building.

News outlets report that firefighters and paramedics arrived at the build site. CBC News reports that Carter was taken to a hospital.

Carter's health has been closely watched since he revealed he had cancer last year. He has since undergone treatment and says he is cancer free. 

Carter was the nation's 39th president, advancing as a virtual unknown on the national stage to defeat President Gerald Ford in 1976. But several foreign policy crises, in particular the Iran hostage crisis, crushed his bid for re-election and Ronald Reagan swept into the White House.

The native of tiny Plains, Georgia, rebuilt his career as a humanitarian guiding the center focused on global issues, including health care and democracy. Carter earned a Nobel Peace Prize in 2002, helped defuse nuclear tensions in the Koreas and helped avert a U.S. invasion of Haiti.

He and his wife, Rosalynn celebrated their 71st wedding anniversary on July 7. 

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