North Korea and China vow to strengthen cooperation on their border

China and North Korea said they would step up cooperation to maintain security and stability on their border, after the Chinese public security minister met North Korea’s top envoy in Beijing.Zhao Kezhi told North Korean ambassador Ri Ryong-nam on Monday that China was willing to work closely with its neighbour and strengthen strategic communication to “maintain, consolidate and develop the traditional friendship” between the two countries, the Chinese public security ministry said in a brief…