Europe is on track to replenish its depleted natural gas storage network using almost no Russian pipeline supplies for the first time ever. But the region's plans to completely phase out Russian gas still look like a daunting challenge.

European Council President António Costa has criticized the trip by Serbia's president to Russia’s Victory Day parade last week.

Russia's friends in Eastern Europe say EU plans to end all Russian gas and energy imports are tantamount to "economic suicide" and a threat to energy security.

US President Donald Trump will not be able to sell Russian gas to the EU, even if the United States acquires a Russian stake in gas pipelines to Europe. This opinion was expressed by the Minister of Climate and Environment of Poland Paulina Hennig-Kloska in an interview with the radio station "RMF".

German police have arrested several Ukrainian men for allegedly planning a false flag attacks in Europe on behalf of Russia.

The EU is preparing new sanctions on Russia despite a potential meeting between Vladimir Putin and Volodymyr Zelenskyy on Thursday, three sources told CNBC.

The leader of a British-based Russian spy ring which prosecutors said carried out surveillance for the Kremlin was sentenced in a London court on Monday to nearly 11 years in jail, as his five team members were jailed for a total of about 40 years.