Donald Trump said it looked as though the Russians were behind it. "We perceive all these things calmly, for me the conversation with the minister, even for such an unpleasant incident for them, is always an opportunity to talk and ask those questions that I want to ask", the diplomat added. The modus operandi of the attack was similar to the polonium poisoning of another former Russian spy, Alexander Litvinenko, in London in 2006, an attack that is likely to have been approved by Russian President Vladimir Putin according to a United Kingdom inquiry.
The Foreign Secretary's comments prompted a rebuke form Mr Putin's spokesman Dmitry Peskov.
Russian Federation is to expel 23 British diplomats amid tensions over the nerve agent attack on a former spy and his daughter in the UK.
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"The crisis in relations between Moscow and London has reached a new peak", it said.
Russian Federation has ordered the expulsion of 23 British diplomats in Moscow as the diplomatic crisis between the two countries deepens. The statement asserted Russia was acting "in response to the unfounded accusation against the Russian Federation for what happened in Salisbury".
White House press secretary Sarah Sanders wouldn't say Thursday whether Russian President Vladimir Putin was a friend or a foe, telling reporters: "Russia is going to have to make that determination".
Minister of defense Gavin Williamson is making a case for increased defense spending, even with the country facing a mounting deficit.
Investigators later determined that they had been made ill by a nerve agent first produced in laboratories in Soviet Russia as part of a chemical-warfare program.
But "Russia's reaction could be also be more wide-reaching", it predicted, citing diplomatic sources.
North Korean minister meets again with Swedish counterpart
The reclusive regime had made overtures to United States leaders in the past, but none took up the offer. Commerce Secretary Wilbur Ross possibly to discuss U.S. tariff measures on South Korean steel products.
He had previously said Russian Federation had no motive to target Skripal, but suggested others could use the poisoning to "complicate" the World Cup.
May said Britain would also clamp down on murky Russian money and strengthen the government's ability to impose sanctions on those who abuse human rights, though she gave few details.
"It is an affront to the prohibition on the use of chemical weapons", May said.
In a statement it said: "We believe that the statement British Prime Minister Theresa May made in the parliament on March 14, concerning measures to punish Russian Federation for its alleged involvement in the poisoning of Sergei Skripal and his daughter, is an unprecedentedly blatant provocation, which undermines the foundations of dialogue between our countries".
The leaders did not say what, if any, actions they would take if Russian Federation does not comply.
Russian Federation foreign ministry says it will expel 23 British diplomats
Russian Federation has complained that Britain has failed to provide any evidence of its involvement in the Salisbury attack. Russia, which denies any involvement in the incident, condemned May's decision as unacceptable and vowed a swift response.