The leaders of France, Germany, Russia and Ukraine were due to attend a peace summit on Wednesday, but Ukraine's pro-Moscow separatists diminished the chance of a deal by launching some of the war's worst fighting in an assault on a government garrison.

• February 10, 2015

Greek Finance Minister Yanis Varoufakis headed for a showdown with euro zone finance ministers on Wednesday after his new leftist-led government won a parliamentary confidence vote for its refusal to extend an international bailout.

• February 10, 2015

The European Union delayed putting more Ukrainian separatists and Russians on its sanctions list on Monday to give a Franco-German peace plan for Ukraine time to work.

• February 9, 2015

U.S. President Barack Obama made clear he was some way from a decision on whether to arm Ukraine in its conflict against Russian-backed rebels, saying on Monday he still hoped for a diplomatic solution.

• February 9, 2015

U.S. stocks pared their losses on Monday as investors took increased tensions over Greek debt negotiations and disappointing Chinese economic data in stride, helped by a rise in oil prices that boosted energy stocks.

• February 9, 2015

NATO and Russia failed to narrow their differences over the Ukraine crisis in talks on Saturday but agreed they would keep talking to each other.

• February 7, 2015

Greece will not face any cash crunch while negotiations with its euro zone partners on a new program to roll back austerity take place, its deputy finance minister said on Saturday.

• February 7, 2015

Germany's Angela Merkel warned on Saturday that sending arms to help Ukraine fight pro-Russian separatists would not solve the crisis there, drawing a sharp rebuke from a leading U.S. senator who accused Berlin of turning its back on an ally in distress.

• February 7, 2015