The foreign ministers of France, Germany, Russia and Ukraine will meet in Berlin on Monday to discuss the situation.
Cameron and Obama will discuss a number of issues at hand, like the situation in Ukraine, the Islamic State group and counterterrorism.
Russian Finance Minister Anton Siluanov says his country has legitimate grounds to demand immediate repayment of the debt.
Russians with "gender identity disorders, disorders of sexual preference" and other "disorders" won't be able to drive.
After nine months of fighting in eastern Ukraine, Russia may at last be ready to cooperate to save its shaky economy.
Three more Ukrainian soldiers died on the Eastern Orthodox Christmas Day, despite a ceasefire being in place.
National security and economic cooperation are expected to be high on the agenda for Obama's second visit to India as president.
The latest move will likely make it easier for Russian military forces to hire locals in regions beyond Russia's borders.
Hungarians have criticized Orbán for what they see as corrupt policies that don't represent popular sentiment.
Vladimir Putin celebrates 15 years in power on Wednesday. A lot has changed since he became president on New Year's Eve 1999.
The strategic Black Sea port city gets ready for war, but the damage to its economy has already been done.
The Russian president snubbed the leaders of Ukraine, Poland and the Baltic states, all who were vocal critics in 2014.
Supporters of opposition leader Alexey Navalny organized protests around Russia Tuesday. Police were expected to respond with force.
Overnight rates have grown to 18 percent, indicating that financial institutions are anxious about even lending to each other.
In addition to surveillance over Russian territorial waters, the drones will also be used in combat training tasks.
Alexei Navalny led mass protests against the country's president three years ago, and his trial is seen as part of a campaign to stifle dissent.
Russia's newly updated military doctrine lists NATO and the U.S. as major military threats and outlines the use of nuclear weapons.
Vladimir Putin canceled vacations for Kremlin officials as Russia deals with its worst economic crisis in over a decade.
Russia's ruble rose on Friday to its strongest levels in more than three weeks in a sharp rebound from its recent all-time lows.
North Korea had a right to be offended by the controversial film, a Russian official said Thursday.
The ruble plunged to all-time lows last week on heavy falls in the price of oil and Western sanctions over the Ukraine crisis.
Russia will take on credit risk for firms, whose foreign debt obligations have shot up in ruble terms because of the currency's sharp slide.