U.K. Suspends Extradition Treaty With Hong Kong

LONDON—The British government suspended its extradition treaty with Hong Kong in response to Beijing’s choice to impose a new security regulation on the previous British colony, the most up-to-date indication of deteriorating diplomatic relations involving Western nations and China.

British Foreign Secretary Dominic Raab told Parliament on Monday that the extradition treaty would be suspended indefinitely and that the U.K. would bar arms sales to Hong Kong, ratcheting up strain about what the British government suggests is a draconian security regulation.

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