Major attacks on Kyiv, followed by warnings of more, come as Moscow is stalled on the battlefield and at the negotiating table.

Russia warned U.S. Secretary of State Marco Rubio of imminent strikes and urged Americans to evacuate Ukraine.

Russia's U.N. ambassador said on Tuesday that the United States did not grant a visa for Russian Deputy Foreign Minister Alexander Alimov to attend a U.N.

Four years after the full-scale invasion of Ukraine, Russia is facing a spring of discontent. Rolling digital blackouts in Russian cities have touched a nerve with ordinary citizens and public pushback against Russian President Vladimir Putin is emerging.

The banks would bear the cost of installing electronic jamming systems on their premises while selected employees would shoot down incoming drones.

By Andrew Osborn and Lucy Papachristou MOSCOW, May 27 (Reuters) - Russia said on Wednesday it had warned Armenia it would suspend or terminate the supply of cheap oil, gas and rough diamonds to the South Caucasus country if Yerevan pressed ahead with its bid to join the European Union.

Russia used a powerful hypersonic missile that has nuclear capabilities to carry out a massive attack Sunday in Kyiv, Ukraine.

Nuclear analysts have said they could be a potential acceptable third party to the Iranian Republic to take possession of the enriched uranium, which could be used to make a nuclear weapon, as part of a potential deal with the U.

By Lili Bayer, John Irish, Tom Balmforth and James Mackenzie BRUSSELS, May 27 (Reuters) - European Union foreign ministers will discuss on Thursday how to approach any possible future talks with