Great Britain Prime Minister Theresa May said her country is expelling 23 Russian diplomats in the wake of an alleged nerve agent attack in the English town of Salisbury last week, The Hill reports.
The prime minister said the diplomats have been identified as "undeclared intelligence officers," and that they have one week to leave the country.
Three planned visits from Russian Foreign Minister Sergey Lavrov have been canceled, and ministers from Great Britain along with the royal family will be absent from the World Cup in Moscow.
Great Britain also announced that it will Russian assets found to be a threat.