South Korean President Moon Jae-in has said that a sixth nuclear or Inter-Continental Ballistic Missile (ICBM) test by North Korea must be responded to with “strong” sanctions, speaking to Reuters on Thursday at the Blue House.

Saying that an ICBM test could happen “in the not too distant future,” Moon also called on China to do more to reign in Pyongyang’s rapidly progressing missile and nuclear programs.

“I believe China is making efforts to stop North Korea from making additional provocations, yet there are no tangible results as of yet,” he said.

“China is North Korea’s only ally and China is