The top nuclear envoys from the U.S., South Korea and Japan reaffirmed the need for solidarity between their countries in response to North Korean “provocations,” while calling for a “firm and united” international response in the event of a DPRK nuclear test.

The U.S.’ Sung Kim, South Korea’s Kim Gunn and Japan’s Takehiro Funakoshi also condemned North Korea’s missile launches during their trilateral meeting in Jakarta on Tuesday, resolving to ensure Pyongyang can “gain nothing” from its repeated tests, Seoul’s foreign ministry said in a press release.