The U.N. aviation authority has denounced North Korean missile launches as “a serious risk” to international air traffic, days after Pyongyang fired ballistic missiles for the first time in months.

The International Civil Aviation Organization (ICAO) unanimously adopted a resolution condemning “recent missile launches by the DPRK” on Monday, according to a statement published by South Korea’s foreign ministry on Thursday. 

Such actions “pose a serious risk to international civil aviation and represent a complete disregard of the relevant United Nations Security Council Resolutions,” according to the agency.

The ICAO reiterated its urgent call for North Korea “to comply strictly