Kurdish rebels on Saturday claimed responsibility for an attack on a pipeline in eastern Turkey that has cut off Iranian gas shipments to Turkey.
The pro-Kurdish Firat news agency carried a statement from the armed wing of of the Kurdistan Workers' Party (PKK) saying its guerrillas sabotaged the pipeline at around 2000 GMT on Thursday.
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An energy ministry official said Friday that repairs on the pipeline in Agri province had started and would last about a week.
Turkey receives between 15 and 18 billion cubic metres of gas a day via the pipeline which links the western Iranian city of Tabriz with the Turkish capital.
The PKK, listed as a terrorist group by Ankara and much of the international community, took up arms in the Kurdish-majority southeast in 1984, sparking a conflict that has claimed about 45,000 lives.