Russia-Ukraine updates: Putin suspends key US-Russia nuclear treaty in speech denouncing West

President Vladimir Putin said he'd sought an "open dialogue" with the West.

ByMorgan Winsor, Emily Shapiro, Meredith Deliso, Nadine El-Bawab, Bill Hutchinson, Ivan Pereira, Patricio Chile, Kevin Shalvey, Julia Jacobo, Teddy Grant, Jon Haworth, and Mary Kekatos

Last Updated: February 24, 2023, 5:53 AM EST

Almost a year after Russian President Vladimir Putin launched a full-scale invasion of neighboring Ukraine, the two countries are engaged in a struggle for control of areas throughout the east and south.

Putin's forces pulled out of key positions in November, retreating from Kherson as Ukrainian troops led a counteroffensive targeting the southern port city. Russian drones have continued bombarding civilian targets throughout Ukraine, knocking out critical power infrastructure as winter sets in.

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Latest headlines:

Feb 22, 2023, 11:24 AM EST
US believes Russia held failed ICBM test 2 days before Biden visited Ukraine
Feb 21, 2023, 6:46 AM EST
Putin suspends US-Russia nuclear treaty
Feb 21, 2023, 4:41 AM EST
Putin opens Moscow speech on 'historic events'
Feb 20, 2023, 5:39 AM EST
Biden in Kyiv says Putin was 'dead wrong'
Feb 20, 2023, 5:21 AM EST
Biden makes surprise visit to Ukraine

Here's how the news is developing. All times Eastern.

Oct 29, 2022, 1:45 PM EDT

Russia blames UK for Nord Stream blasts

Russia accused the British army of carrying out a "terrorist act" in the Baltic Sea to undermine the Nord Stream 1 and Nord Stream 2 gas pipelines on Sept. 26.

"According to available information, representatives of this unit of the British Navy took part in the planning, provision and implementation of a terrorist act in the Baltic Sea on September 26 this year to undermine the Nord Stream-1 and Nord Stream-2 gas pipelines," the Ministry of Defense said in a statement.

The British Ministry of Defense denied the accusation calling it an "invented story."

"To detract from their disastrous handling of the illegal invasion of Ukraine, the Russian Ministry of Defence is resorting to peddling false claims of an epic scale. This invented story, says more about arguments going on inside the Russian Government than it does about the west," the British Ministry of Defense said in a statement on Twitter.

-ABC News' Rashid Haddou-Riffi

Oct 29, 2022, 11:32 AM EDT

Russia suspends participation in UN-brokered grain deal

The Russian Defense Ministry announced that Russia is suspending its participation in the execution of agreements on the export of grain from Ukrainian ports, according to Russian news agency Interfax.

"The Russian side suspends participation in the implementation of agreements on the export of agricultural products from Ukrainian ports," the Russian Defense Ministry said on Saturday.

The decision was made "taking into account the terrorist act carried out on October 29 this year by the Kyiv regime with the participation of British specialists against ships of the Black Sea Fleet and civilian vessels involved in ensuring the security of the" grain corridor ."

-ABC News' Anastasia Bagaeva

Oct 28, 2022, 1:53 PM EDT

US approves additional $275M aid to Ukraine

The U.S. has officially announced another $275 million aid package for Ukraine, Secretary of State Antony Blinken announced Friday.

The aid includes “additional arms, munitions, and equipment from U.S. Department of Defense inventories.”

Since the start of the conflict, the administration has provided $18.5 billion in assistance to Ukraine.

-ABC News' Shannon Crawford

Oct 28, 2022, 1:16 PM EDT

Russia's partial mobilization is complete

Russian Minister of Defense Sergei Shoigu announced that the partial mobilization of Russian citizens for the war in Ukraine is complete, reporting that 300,000 men in total have been mobilized.

Of those mobilized, 82,000 have been sent to Ukraine, while 218,000 are being trained, Shoigu said as he met with Russian President Vladimir Putin Thursday.

"We concluded the sending citizens who were called up as part of mobilization today; notification of citizens has ended, and no additional assignments are planned," Shoigu said.