Locked out: In a dispute with Ukraine over payments and prices, Russian gas monopoly Gazprom cut supply to Ukrainian customers Jan. 1, allowing only enough to transit through Ukrainian pipelines to reach other European countries. But on Jan. 7, Gazprom shut off all gas through Ukraine, accusing Ukraine of siphoning off gas intended for other countries. As a result, many countries, particularly in southeastern Europe, were left in the cold. Here, the rotary handle to a valve stands locked over a natural gas pipe in Berlin Jan. 8.