As North Korean troops dispatched to Russia become increasingly involved in combat with Ukraine, China is upping its pressure on North Korea with crackdowns on North Korean workers.

A North Korea soldier stands guard on the banks of the Yalu River which separates the North Korean town of Sinuiju from the Chinese border town of Dandong on the second anniversary of the death of ...

The Chinese city of Dandong is located less than a mile away from the North ... of North Korea's borders with its neighbours. Scroll down to learn more about Dandong and Sinuiju.