U.K.

Amber Rudd had denied that she had ever discussed deportation targets, but The Guardian on Sunday published a letter she sent to Prime Minister Theresa May proposing a 10 percent increase in removals.

The lab's chief added that it only sought to test the chemical used on Sergei Skripal and his daughter, not decide its source. Still, Russia called the remark proof the U.K. is fabricating its claims.

The government of Ecuador said WikiLeaks founder Julian Assange, who has been living inside its London embassy, was jeopardizing its relationships with other countries in his social media posts.

"Donald Trump makes it click in your head that this actually has a much wider impact," former Cambridge Analytica employee Christopher Wylie said of Trump's election and the misuse of data.

The move is intended to punish Moscow for an alleged nerve agent attack on a former Russian spy and his daughter on British soil. Moscow has responded by expelling 23 British diplomats in turn.

Major questions are still up in the air after months of negotiations about U.K.'s withdrawal from the EU, most prominently how to handle the border between Ireland and Northern Ireland.

Britain is preparing to take "commensurate but robust" action after it concluded that Russia is behind the use of a deadly nerve agent on U.K. soil, British Foreign Secretary Boris Johnson says.

Novichok-class agents were developed in top-secret Russian labs at the end of the Cold War. Experts say only Russia is known to have made them. "They've been a deep, dark secret," says one expert.

"It is now clear that Mr. Skripal and his daughter were poisoned with a military-grade nerve agent of a type developed by Russia," May told lawmakers in a statement on Monday.

Health officials asked anyone who frequented a Salisbury restaurant and pub around the time Sergei and Yulia Skripal were found poisoned to wash their clothes and possessions.