Skripal case: Russia defies UK PM's midnight ultimatum

Theresa May had given Moscow till the end of Tuesday to explain how a Soviet-era nerve agent was used to poison Sergei Skripal and his daughter.

    Russia has defied an ultimatum from the UK over the poisoning of a former spy.

    Prime Minister Theresa May had given Moscow till the end of Tuesday to explain how a Soviet-era nerve agent was used in the attack against Sergei Skripal and his daughter.

    But the Kremlin has refused to cooperate with the investigation.

    Al Jazeera's Barnaby Phillips reports from London.


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