BEIJING (AP) — China announced Saturday that it will limit energy supplies to North Korea and stop buying its textiles under U.N. sanctions imposed over its nuclear and missile development, further reducing support from Pyongyang's last ally.

Exports of refined petroleum to the North will be limited to 2 million barrels per year, effective Jan. 1, the Commerce Ministry said. Sales of liquefied natural gas are banned outright.

North Korea depends on China for almost all its oil and gas but estimates of its consumption are low, leaving it unclear how Beijing's new limit will affect them. The res...