The deadliest conflict between the two nations in 14 years, now in its third day, extended to provinces about 200 miles south of where clashes first began.

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At least a dozen people were killed after the two countries exchanged fire after simmering tensions over a border dispute boiled over on Thursday.

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“Snapback” sanctions will be triggered by the end of August if Tehran fails to make concrete progress to limit its nuclear program.

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