Europe Chill in Russia-Ukraine gas talks threatens Europe's winter supplies

Russian natural gas producer Gazprom has demanded $3 billion in unpaid bills from Ukraine's heavily indebted government. European consumers rely on Russian gas, some of which is piped through Ukraine.  

By , Staff writer

Luca Bruno/AP

Ukraine and Russia are still deadlocked in a long-running dispute over natural gas supplies, raising concerns across Europe that Russian gas supplies could be insufficient to heat homes this winter.