China, North Korea's closest ally, has called for calm and restraint on the Korean peninsula.
But they have also played down fears of an all-out conflict on the Korean peninsula.
But South Korea's Kospi slipped 0.1 percent to 1, 920.40 as tensions lingered on the Korean Peninsula.
Since the Korean War (1953), the US has maintained a military presence on the Korean peninsula.
His gestures have gone a long way toward easing tensions on the Korean Peninsula.
The strategic situation on the Korean Peninsula has changed significantly since the end of the Cold War.
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This alliance guarantees peace, stability and prosperity on the Korean Peninsula, the Asia Pacific region and beyond.
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Turmoil on the Korean Peninsula would harm the economies of all three countries.
Such assistance will continue, as Beijing believes it is in its best interests to maintain stability on the Korean peninsula.
China advocates a negotiated solution on the Korean peninsula through "six-party" talks involving Beijing, Seoul, Pyongyang, Tokyo, Moscow and Washington.
Beijing officials and the media usually take time to assess the situation on the Korean Peninsula before formulating a response.
Late last week, South Korea's new President, Park Geun-hye, warned that the security situation on the Korean Peninsula was "very grave".
"China is firmly committed to upholding peace and stability and advancing the denuclearization process on the Korean peninsula, " Yang told reporters.
"We remain committed to stability on the Korean peninsula, and to the freedom and security of our allies, " Mr. Carney said.
Secretary Clinton has always been a staunch supporter of peace and stability on the Korean Peninsula and of course in Northeast Asia.
The latest incident comes as tensions remain high on the Korean peninsula.
Russia's foreign ministry, meanwhile, warned against escalating tensions on the Korean peninsula.
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After the launch, China reiterated its calls for calm on the Korean peninsula, in a statement from Foreign Ministry spokesman Liu Weimin.
It is the fast-moving developments on the Korean peninsula that are more likely to redefine the outlines of China's relations with Japan.
We are working -- there have been meetings throughout the weekend, meetings again here today to discuss the ongoing situation on the Korean Peninsula.
And on the Korean peninsula, we stand with our ally South Korea, and insist that North Korea keeps its commitment to abandon nuclear weapons.
How does each side view potential developments on the Korean Peninsula over the coming decade, and how would both plan to react to each scenario?
For them, stability on the Korean peninsula is the ultimate goal.
The recent firings come amid heightened tensions on the Korean peninsula.
Thursday's reported test comes amid heightened tensions on the Korean peninsula.
South Korea's envoy to the UN, Kim Sook, described the North's nuclear tests as "grave threat to the peace" on the Korean peninsula and the wider region.
Tensions have risen on the Korean peninsula in recent weeks.
The allegation adds to growing tension on the Korean peninsula.
Tensions are escalating by the day on the Korean Peninsula.
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