Hopkins Airport spokeswoman Jacqueline Mayo says the 79-year-old King was stopped by members of the Transportation Safety Administration on Sunday night. She says King had ammunition for .38-caliber and .357-caliber firearms in his bag.
Mayo says the ammunition was taken and that King was released to continue his trip, she believes to Florida. She said she didn't know if King received a citation.
King didn't immediately return a telephone message seeking comment.
WOIO-TV in Cleveland first reported the incident and said King was in Cleveland for his wife's funeral.
Eighty-seven-year-old Henrietta King died Thursday in Florida from complications from stomach cancer.