The former U.S. Secretary of State said to continue the war means risking destroying Europe's stability in the long term.
The Russian-appointed leader of Ukraine's occupied Kherson region and a Crimean official say they believe Russia will incorporate parts of southern Ukraine.
Maria Vorontsova allegedly took part in discussions on Telegram, according to an unconfirmed report by Dmitry Kolezev, editor-in-chief of the website Republic.
British Foreign Secretary Liz Truss urged fellow Western leaders to "go further and faster" in support of Ukraine.
Aleksandr Dugin is believed to have Vladimir Putin's ear and has called for Moscow to arm its allies in Latin America and beyond.
Vadym Prystaiko, Ukraine's ambassador to the U.K., said Russia's invasion had "shattered" security in the Black Sea.
An adviser to the Ukrainian Ministry of the Interior said several residential buildings had been hit in the attack.
Volodymyr Zelensky first announced the news of the arrest of Viktor Medvedchuk, who is seen as Putin's closest ally in Ukraine, in a Telegram post on Tuesday.
Zelensky said that Russia also really wants to take parts of southern Ukraine, including the beseiged port city of Mariupol.
Zelensky spoke with CBS correspondent Scott Pelley, who traveled to Kyiv to meet face-to-face with the leader.
The elite unit—which is also known as Liga—was formed in 2014, during the war in Donbas in Eastern Ukraine and Russia's annexation of Crimea.
A Ukrainian official claimed Saturday that the two leaders will likely meet soon in Turkey.
The same national fervor that's helped Ukraine mount a fierce resistance against Russia could complicate Zelensky's ability to compromise with Russia.
The claims from Russia were quickly discounted by Ukrainian officials who said the issues will be settled when Ukraine regains sovereignty over the regions.
There is still no agreement on Crimea and Donbas, two eastern areas of Ukraine that Russia sees as its own territory.
"The international community has not shown the necessary sensitivity and has not provided the necessary support to address this injustice," Erdogan said.
The FBI says this action "should serve as an example to all that we will use all the resources at our disposal to aggressively enforce our nation's sanctions."
Videos showing Russian fleet in the Black Sea have been viewed over 800,000 times on social media.
Ukraine's 15 operating nuclear power plants provide half of the nation's electricity. As of Wednesday, six have stopped providing power to its electricity grid.
Video shows a huge explosion at an air base in Millerovo, Rostov from what appears to be a Ukrainian missile strike.
Ukraine's Ministry of Foreign Affairs called the U.S. decision "premature and a manifestation of excessive caution."
Russia's Defense Ministry said vessels from its Pacific fleet had arrived in the Persian Gulf for exercises that were first announced in 2021.
Russian foreign minister Sergei Lavrov told RIA Novosti that the West must stop its "aggressive line."
Russian officials and allies are framing Moscow's deployment of troops to the Ukraine border as a necessary defensive measure.
A high-ranking Russian military official warned the Ukrainian government against using force to stop the Russian-backed separatists in the Donbas region.
The president said if Putin decides to invade he will be hit with "economic consequences like none he's ever seen."
Biden warned Putin Tuesday there would be "strong economic measures" taken if Russia decides to invade Ukraine.
Russian foreign affair's spokeswoman Maria Zakharova referred to NATO campaigns in Iraq, Libya and Syria and Yugoslavia.
The Crimean Peninsula is considered to be part of Ukraine by many countries around the world, but Russia continues to call it part of its own country.