China will suspend all imports of coal from North Korea until the end of the year, the Commerce Ministry announced Saturday, in a surprise move that would cut off a major financial lifeline for Pyongyang and significantly enhance the effectiveness of U.N. sanctions.

Coal is North Korea’s largest export item, and also China’s greatest point of leverage over the regime.

The ministry said the ban would come into force Sunday and be effective until Dec. 31.

China said the move was designed to implement November’s United Nations Security Council resolution that tightened sanctions against the regime in the wake of its last nuclear test.

But experts said the move also reflected Beijing’s deep frustration with North Korea over its recent missile test and the assassination of Kim Jong Un’s half brother in Malaysia.

Kim Jong Nam had been hosted and protected by China for many years, and his murder, if proved to be conducted on Pyongyang’s orders, would be seen as a direct affront to Beijing, experts said.

 

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