Former President Jimmy Carter was taken to an Ohio hospital Tuesday after landing at Cleveland's international airport, the Carter Center said.

The 39th president, who turns 86 on Friday, had an upset stomach while aboard a flight to Cleveland, according to a statement from the center.

"While on a flight to Cleveland, former U.S. President Jimmy Carter developed an upset stomach, and, upon arrival, was taken to Metro Health Hospital [in Cleveland] for observation. He is resting comfortably and is expected to resume his book tour this week."


Carter was expected to attend a book signing in a suburb of the Sixth City for his latest book "White House Diary."

President Obama phoned Carter while aboard Air Force One en route from New Mexico to campaign events in Wisconsin. White House Deputy Press Secretary Bill Burton said that Carter told the president he is feeling better and expects to resume his book tour Wednesday.

-- This post was updated at 1:28 p.m., 2:24 p.m. and 5:01 p.m.