About: diplomatic tension

Russia will retaliate if its Warsaw embassy cannot work, Russian envoy warns
Russia will retaliate against Poland if its embassy in Warsaw stops working because it cannot receive fresh funds from Moscow, its ambassador warned on Tuesday (19 April).
Russia expels 18 diplomats from EU’s Moscow mission in retaliatory move
Moscow has expelled 18 employees of the European Union's delegation to Russia in retaliation at Brussels' expulsion of 19 Russians earlier this month, the foreign ministry said in a statement on Friday (15 April).
Russia says Poland destroying relations with expulsions, vows tough response
Russia accused Poland on Thursday (24 March) of trying to destroy bilateral relations by expelling 45 of its diplomats, and said it would respond harshly.
EU condemns sentencing of Canadian for spying in China
The European Union on Wednesday decried the jailing of Canadian businessman Michael Spavor for 11 years in China for spying, saying he had been denied a "fair trial".