BEIJING, Feb. 27 -- Police chiefs from China and the Republic of Korea (ROK) vowed here on Thursday to jointly cope with cross-border crimes and non-traditional threats.

Guo Shengkun, Chinese state councilor and minister of public security, and his ROK counterpart, Lee Sung-han, made the pledge during a meeting in Beijing.

Guo called on the two sides to deepen understanding and enhance cooperation so as to safeguard security and stability of the two states and the region.