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The Boston Globe

World

US says Syria probably used nerve agent

Calls to intervene in war intensify; White House urges caution

WASHINGTON — The Obama administration said on Thursday that the Syrian government has likely used chemical weapons against its people, but it stopped short of threatening military action against President Bashar Assad.

In a letter to key lawmakers, the White House said US intelligence agencies ‘‘assess with varying degrees of confidence that the Syrian regime has used chemical weapons on a small scale in Syria, specifically the chemical agent sarin.’’

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