11.   The new fighting has intensified concern the conflict could lead to a wider war in the Balkans and a diplomatic dilemma if the talks were to fail.

12.   Their defection created a diplomatic dilemma for China, which found itself caught between longtime ideological ally North Korea and newly found economic partner, South Korea.

13.   The situation threatens to be a tricky diplomatic dilemma for China, which has close ties to North Korea.