John Kerry’s Wife in Critical Condition

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PHOTO: Vice President Biden swears in Secretary of State John Kerry, Photo Credit: White House, Photo Date: February 6, 2013

(CNN) — Teresa Heinz Kerry, wife of Secretary of State John Kerry, became ill Sunday and was taken by ambulance to a hospital, said a source close to the family.

Heinz Kerry, 74, was in Nantucket, Massachusetts, where the family has a home.

The source did not have further details.

Born in Mozambique, Heinz Kerry worked for the Trusteeship Council of the United Nations in the 1960s when she moved to the United States.

Her first husband, Sen. John Heinz, died in a plane crash in 1991.