The declassified summary report into the attack on former Russian double agent Sergei Skripal and his daughter Yulia does not however say who was responsible for the attack.
Britain says Yulia and her father, Sergei Skripal - a former Russian spy - were poisoned with a nerve agent. London blames Moscow for the attack. Russia denies the allegation which has plunged relations with the West to a post-Cold War low.
Sergei Skripal and his daughter Yulia were found unconscious and were taken to a hospital, where for weeks they lay unconscious in critical condition. Yulia regained consciousness last week and is now in stable condition.
Former Russian double agent Sergei Skripal is no longer in critical condition and has responded well to treatment after a nerve agent attack last month, the hospital treating him said on Friday.
The confrontation between Russia and Britain over the poisoning of a spy and his daughter in England took on a rather unusual turn at the UNSC, with references to Sherlock and Alice and Wonderland bandied about.
Yulia Skripal said in statement released on Thursday by British police that her strength is growing daily and expressed gratitude to those who came to her aid.
Russia's approach to the OPCW came after a British laboratory said it had not proved that Russia manufactured a deadly nerve agent used to poison a former Russian spy.
Scores of foreign ambassadors receive notices to leave the country, in a move that comes as retaliation for the coordinated expulsion of over 150 Russian diplomats by the UK and its allies.
Russia will shut down the US consulate in St Petersburg and expel the same number of envoys the US and other countries expelled, Foreign Minister Sergey Lavrov says.
Russian ex-spy Sergei Skripal and his daughter Yulia were left critically ill in a nerve agent attack three weeks ago that most probably took place at the front door of their home in southwestern England.
The March 4 attack on the Skripals in the English city of Salisbury has provoked a major response that has seen more than 150 Russian diplomats expelled from countries around the world.
The reaction to Russia's alleged assassination attempt in the UK shows that Brexit hasn't broken the UK's global influence, but the response does show that there is little unity within the EU.
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