On March 4th a former "double agent" and his daughter were found unconscious on a bench in a shopping centre in Salisbury, England. The father and daughter were identified as neurotoxic agents and are still in a coma. Britain considers this to be the work of Russia.So far, 23 Russian diplomats in the UK have returned to Moscow. The Russian side strongly denied the accusation, and called for the British side to investigate, but the British refused.
It appears to have been a big stimulus for US President Donald trump, who reportedly will use radical measures to expel 60 Russian diplomats and close the Russian consulate in Seattle. Despite on the surface, Mr Trump and Mr Putin have a good personal relationship, there is actually a lot of craters everywhere. The European Union also responded by saying that at least 14 eu countries had taken action against Russia.
But it is still simmering, and Russia will respond, but when so many countries collectively expel Russian diplomats, Russia will have a difficult time.