CLEVELAND (AP) — An airport spokeswoman in Cleveland says Jimmy Carter was taken off a plane by rescue crews and taken to a hospital.

Jackie Mayo, a spokeswoman at Cleveland Hopkins International Airport, says the 85-year-old former president was a passenger on a Delta flight to Cleveland late Tuesday morning and became ill.

Mayo says she has no information on Carter’s symptoms. He was taken to MetroHealth Hospital, where a spokeswoman said no information was available.

Carter has been traveling to promote his new book, “White House Diary,” which was released last week. The website for Joseph-Beth Booksellers in Cleveland says he was scheduled to appear at 1 p.m. Tuesday to sign and talk about the book.