U.S. Secretary of State Mike Pompeo lashed out Thursday at the International Criminal Court (ICC) regarding its decision to authorize a probe into alleged war crimes and crimes against humanity in Afghanistan.

Pompeo called the international court a “political body” and characterized as “reckless” the investigation that encompasses Afghan government forces, the Taliban and the U.S.

“This is a truly breathtaking action by an unaccountable political institution masquerading as a legal body,” the top diplomat told reporters at the State Department. “It is all the more reckless for this ruling to come just days after the United States signed

Read more: US top diplomat slams ICC decision on Afghanistan probe