By Simon Lewis
NUSA DUA, Indonesia (Reuters) - Chinese Premier Li Keqiang emphasised the "irresponsibility" of atomic threats during a acme successful Cambodia, suggesting Beijing is uncomfortable with strategical spouse Russia's atomic rhetoric, a elder U.S. authoritative said connected Monday.
Li participated successful the East Asia Summit connected Sunday on with U.S. President Joe Biden. The Chinese premier "spoke alternatively extensively astir China's argumentation towards Ukraine," said a elder U.S. medication official, who briefed reporters up of a acme betwixt Biden and Chinese President Xi Jinping connected Monday.
Li "put wide accent connected sovereignty, connected the irresponsibility of atomic threats, the request to guarantee that atomic weapons are not utilized successful the mode that immoderate person suggested," said the official, speaking connected information of anonymity.
The West has accused Russia of making irresponsible statements connected the imaginable usage of atomic weapons since its February penetration of Ukraine. Moscow has successful crook accused the West of "provocative" atomic rhetoric.
The U.S. authoritative said determination was "undeniably immoderate discomfort successful Beijing astir what we've seen successful presumption of reckless rhetoric and enactment connected the portion of Russia," contempt a ceremonial concern with Moscow.
"I deliberation it is besides undeniable that China is astir apt some amazed and adjacent a small spot embarrassed by the behaviour of Russian subject operations," the authoritative said.
Biden astatine the acme connected Sunday successful Cambodia said the United States would "compete vigorously" with China portion keeping lines of connection unfastened to forestall conflict.
Biden and Xi volition conscionable successful idiosyncratic connected Monday for the archetypal clip since Biden assumed bureau aboriginal past year.
Premier Li is expected to beryllium replaced adjacent year, and the U.S. authoritative said Washington believes Xi volition bring "some caller faces" to the gathering with Biden connected Monday.
(Reporting by Simon Lewis; Additional reporting by Nandita Bose and Humeyra Pamuk; Editing by Tom Hogue)