You're reading: Guardian: Tillerson says nerve agent attack ‘clearly came from Russia’

A nerve agent attack on former spy Sergei Skripal and his daughter “clearly came from Russia” and will have consequences, the US secretary of state, Rex Tillerson, has said, as Theresa May gave Russia till midnight on March 13 to explain the poisoning in Salisbury.

Tillerson’s remarks went even further than the prime minister’s comments to the House of Commons on March 12, where she said it was “highly likely” Russia was behind the attack, which used the military-grade Novichok nerve agent produced by Russia.

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