Russian diplomats on Tuesday dismissed British Prime Minister Theresa May’s demand for an explanation about the poisoning of a former spy in southern England.

“Bearing in mind what the president [of Russia Vladimir Putin] said [in his State-of-the-Nation Address], no one can appear in his or her country’s parliament to say ‘I give Russia 24 hours,’” Russian Foreign Ministry spokeswoman Maria Zakharova said Tuesday, according to state-run media.