News analysis

US strengthens nuclear umbrella over South Korea but questions linger

Visiting South Korean President Yoon Suk-yeol and US President Joe Biden exchanging a handshake at a news conference at the White House on April 26. PHOTO: EPA-EFE
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SEOUL/WASHINGTON - The new defence agreement under which the United States boosts its nuclear umbrella over South Korea is an important development in the face of the growing nuclear threat from North Korea.

But it comes with a pledge from Seoul not to develop its own nuclear weapons.

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