Russia and Turkey are seeking a nationwide truce plan for Syria, but there was no confirmation of a deal Thursday, as the incoming UN chief warned the conflict had become a global "cancer".
The Obama administration plans to announce on Thursday a series of retaliatory measures against Russia for hacking into U.S. political institutions and individuals and leaking information in an effort to help President-elect Donald Trump and other Republican candidates, two U.S. officials said on Wednesday.
Turkey and Russia have agreed a ceasefire plan for all of Syria that should come into force this evening at midnight, the state-run Anadolu news agency said on Wednesday.
Russia said on Tuesday that a U.S. decision to ease restrictions on arming Syrian rebels had opened the way for deliveries of shoulder-fired anti-aircraft missiles, a move it said would directly threaten Russian forces in Syria.
Russia staged a somber memorial ceremony on Thursday for Andrei Karlov, the Russian ambassador to Turkey gunned down in Ankara on Monday by a man shouting "Allahu Akbar" and "Don't forget Aleppo".
The United States on Tuesday targeted more Russian businessmen and companies over Russia's annexation of Crimea and the conflict in Ukraine, slapping them with U.S. sanctions in a move Moscow criticized as hostile.
Monday's murder of Russia's Ambassador to Turkey may help strengthen the interaction among Moscow, Ankara and Iran in their joint efforts to counter global terrorism, Russian experts believed.
President Vladimir Putin said on Monday that the killing of Russia's ambassador to Turkey was a despicable provocation aimed at spoiling Russia-Turkey ties and derailing Moscow's attempts to find, with Iran and Turkey, a solution for the Syria crisis.
The Russian Ambassador to Turkey Andrey Karlov was killed in a gunman attack at an art exhibition on Monday in the Turkish capital of Ankara, according to the Russian Foreign Ministry.
Japanese Prime Minister Shinzo Abe and Russian President Vladimir Putin held a second day of talks on Friday after Abe made little headway a day earlier in his quest to resolve a territorial row that has festered since World War Two.
European Union leaders agreed on Thursday to extend economic sanctions against Russia over the turmoil in Ukraine until mid-2017, though some wanted a longer timespan over fear U.S. President-elect Donald Trump would ease pressure on
Barack Obama on Thursday said the United States would retaliate against Russian hacking after the White House accused Vladimir Putin of direct involvement in cyberattacks designed to influence the US election.
The White House on Thursday clashed with President-elect Donald Trump's transition team over alleged Russian interference in the 2016 election.
Turkey, Russia and Iran will hold a meeting in Moscow on Dec 27 to try to find a solution to the five-year conflict in Syria, Ankara said on Wednesday (Dec 14).
Japanese Prime Minister Shinzo Abe and Russian President Vladimir Putin meet at a hot spring resort on Thursday seeking progress on a territorial row that has prevented their countries from signing a peace treaty formally ending World War Two.
The leaders of France and Germany, speaking two days before an EU summit which will discuss the conflict in eastern Ukraine, said they want to extend sanctions against Russia due to a lack of progress in implementing a ceasefire deal.
The White House said on Tuesday U.S. President-elect Donald Trump's pick for secretary of state showed he wanted to pursue "warmer relations" with Russia.