Russia-Ukraine gas dispute

8 January: The rotary handle to a valve stands locked and chained over a natural gas pipe leading to spherical gas containers at a natural gas storage facility of local gas supplier GASAG in Berlin, Germany Photograph: Sean Gallup/Getty Images

8 January: Alexei Miller (fifth left), CEO of Russia's state controlled company Gazprom, talks with European Commission chairman Jose Manuel Barroso (sixth right) and commissioner for energy Andris Piebalgs (fifth right) about the Russian gas dispute at the European Commission HQ in Brussels. Russian gas flows via Ukraine were halted for a second day on Thursday, hitting 18 countries Photograph: Sebastien Pirlet/Reuters

8 January: Bulgarian orthodox priest fires a wood burning stove before a mass at a church in order to warm it, in the village of Grigorevo near the Bulgarian capital Sofia Photograph: Petar Petrov/AP

8 January: Bosnian workers cut wood by a roadside in Sarajevo. Small entrepreneurs have started selling wood and coal after deliveries of Russian natural gas to Bosnia were stopped on Tuesday evening Photograph: Amel Emric/AP

8 January: A Bulgarian teacher holds a thermometer during a class at a school in the town of Targovishte, Bulgaria Photograph: Ivan Ivanov/EPA

7 January: A Vienna gas distributing company Wien Energie employee sits in the control room of the main gas station in Vienna. Russian gas flows to Austria had stopped completely on Wednesday, oil and gas group OMV said, adding it was drawing on reserves Photograph: Leonhard Foeger/Reuters

January 7: An employee of a Slovak gas company clears the glass of a gauge, which shows the zero gas pressure in the pipelines, at the border delivery station in the eastern Slovak town of Velke Kapusan Photograph: Laszlo Balogh/Reuters

7 January: A couple tries to choose an electrical heating appliance in a shop in Sofia. Photograph: Dimitar Dilkoff/AFP/Getty Images

7 January: Engineer of the E.ON Natural Gas Storage Company checks the pressure in the pipeline pumping natural gas out of the underground storage near the Ukrainian border in Hajduszoboszlo, Hungary. Photograph: Bela Szandelszky/AP

7 January: A stove handicraftsman works in his workrshop near the town of Belovo, south from Bulgarian capital Sofia . Bulgaria announced that cuts in supplies of Russian gas had thrown it into crisis, saying that transiting supplies to Greece, Macedonia and Turkey had been halted overnight Photograph: Boryana Katsarova/AFP/Getty Images