Suspected Kurdish rebels blew up a pipeline carrying natural gas from Iran to Turkey, forcing the shutdown of the conduit.Officials said in Ankara today,the powerful blast occurred overnight at a section of the pipeline near the eastern Turkish town of Dogubayazit, in Agri province, near Iranian border.Television footage showed a large blaze raging over the pipeline after the blast, which shattered the windows of nearby buildings.The explosion is believed to have been carried out by members of the separatist terrorist organisation.