A top U.S. security officer has called on Russia to resume negotiations to further reduce nuclear arsenals.
Serbia's parliament has voted to fire Defense Minister Bratislav Gasic over a sexist remark he made to a female journalist in December.
Turkish President Recep Tayyip Erdogan has accused Russia of trying to set up a "boutique state" in Syria.
Denmark's foreign minister has said that if Ukraine does not implement modernization reforms it risks undermining European Union support for maintaining sanctions against Russia.
The Moscow offices of TASS, the Russian government news agency, have been searched by unknown law-enforcement officials.
Ukrainian Prime Minister Arseniy Yatsenyuk has threatened to quit along with his entire cabinet, the latest move in a growing political crisis in the former Soviet state.
Russia says it is not practical to commit itself to stronger control over conventional weapons in Europe while NATO increases its activities in the region.
Turkish Prime Minister Ahmed Davutoglu will start his two-day visit to Kazakhstan on February 5 amid the ongoing standoff between Turkey and Russia.
Pope Francis and Russian Orthodox Patriarch Kirill will hold a historic first meeting of the heads of the two largest Christian churches next week, getting together for talks in Cuba on February 12.
NATO says Russian air strikes in Syria are "undermining" UN-mediated peace talks aimed at finding a political solution to end the nearly five-year conflict.
A United Nations panel of independent experts say Wikileaks founder Julian Assange was being "arbitrarily detained" in the Ecuadorean embassy in London and should be released and compensated.
Tens of thousands of Syrians are fleeing toward the Turkish border to escape heavy fighting near the northern city of Aleppo.
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