Four so-called referendums have ended in Russian-held regions of Ukraine - votes which Moscow may use as grounds to annex more territory.
Russia is to open an army enlisting centre on the border with Georgia, where massive queues have formed as Russian men try to flee the country to avoid being sent to fight in Ukraine.
The Kremlin has admitted mistakes were made in its drive to mobilise Russian army reservists to fight in Ukraine, amid growing public opposition.
A gunman has opened fire at a school in central Russia, killing at least 17 people and injuring 24, Russian officials say.
Ukrainians have reported armed soldiers going door-to-door in occupied parts of the country to collect votes for self-styled "referendums" on joining Russia.
Security forces detained more than 1,300 people in Russia on Wednesday at protests denouncing mobilisation, a rights group said, hours after President Vladimir Putin ordered Russia’s first military draft since the second world war.
The Russian president, Vladimir Putin, has announced a partial mobilisation in Russia in a major escalation that places the country’s people and economy on a wartime footing.
Western nations have condemned Moscow's plans to hold urgent so-called referendums in parts of Ukraine that are currently under Russian control.
The nation has paid a final farewell to Queen Elizabeth II, with a state funeral and military procession.
Sweden's prime minister says she will stand down after her government was defeated in Sunday's election.
Russia's unmanned Luna-25 spacecraft has crashed into the Moon after spinning out of control, officials say.
Donald Trump has confirmed that he will not take part in Republican presidential debates with his rivals in the race for the White House.