Beijing has suggested worldwide sanctions against Pyongyang could be eased, just hours after a historic summit between US President Donald Trump and North Korean leader Kim Jong-un ended in a joint statement on "complete denuclearisation" of the Korean peninsula.
Still, after the summit, Trump applauded the North Korean leader and said the people "love" Kim, regardless of Trump's previous remarks denouncing the regime's purported human rights abuses.
"The U.N. Security Council resolutions that have been passed say that if North Korea respects and acts in accordance with the resolutions, then sanction measures can be adjusted, including to pause or remove the relevant sanctions", Geng told a daily news briefing.
Geng said Beijing would continue to fulfil its global obligations and play a constructive role on the Korean peninsula.
US President Donald Trump speaks while North Korea's leader Kim Jong Un looks at the signed document that acknowledge the progress of the talks and pledge to keep momentum going, after their summit at the Capella Hotel on Sentosa island in Singapore.More news: Elon Musk promises self-driving Teslas in upcoming software update
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Trump explained during a post-summit news conference that inspectors will be sent into North Korea to verify the country is moving forward with denuclearization. Many believe Trump expects to come out with a deal on denuclearisation but North Korea doesn't.
"The U.S. has great strength and patience, but if it is forced to defend itself or its allies, we will have no choice but to totally destroy North Korea", the President warned. "China will continue to play our constructive role", he added.
"The crux of the peninsula nuclear issue is a security issue. I think without Otto, this would not have happened", Trump said.
The 1950-53 Korean War ended with an armistice and a state of war still technically exists between the two Koreas.