US
The new sanctions hit Russia's Sberbank, which holds one-third of Russia's total banking assets
Spokesperson Dmitry Peskov says the move will inevitably lead to 'retaliatory steps'
Moscow last month approved a list of unfriendly countries including the US, Canada, Britain, EU states and Ukraine
Russia and Ukraine held several rounds of talks before their delegation met in Istanbul last week
Earlier reports suggested that the Russian billionaire and negotiators suffered symptoms of suspecting poisoning
Moscow's negotiators say the conclusion was reached after 'meaningful' talks in Istanbul
Moscow says it will continue to track the statements of the US president 'in the most attentive way'
On Saturday, Biden made comments pointing that Russia's Putin can't remain in power
Kremlin had reacted in fury over the comments which it said narrows window for bilateral relations
White House official clarifies that the president’s remarks do not represent a shift in Washington's policy