The North Korean Foreign Ministry lashed out at Hillary ClintonHillary Diane Rodham ClintonElection fears recede for House Republicans To woo black voters in Georgia, Dems need to change their course of action Trump lawyer touts petition to stop 'soft coup' against Trump MORE today, mocking her intelligence and appearance after the Secretary of State had expressed frustration with North Korean belligerence.

During a trip to Thailand, Clinton said North Korean leaders were acting like "small children and unruly teenagers and people who are demanding attention."

A North Korean spokesman responded with a fury, saying Clinton is "by no means intelligent" and is a "funny lady," according to CNN.

"Sometimes she looks like a primary schoolgirl and sometimes a pensioner going shopping," the Foreign Ministry said in a statement.

Clinton was in Phuket, Thailand for a meeting of southeast Asian states.

Read more about the war of words here.