11.   The pipeline was frequently damaged during the war between Russian troops and Chechen separatists.

12.   The pipeline was damaged on Chechen territory and repair crews were working to restore gas supply, Interfax said.

13.   The pipeline was damaged in that war, and the Russia-Chechnya agreement provided for its restoration and maintenance.

14.   Uzbekistan has said gas pipelines were damaged by ice during the record cold winter.

15.   Yemeni tribesmen have again damaged a pipeline operated by the American Hunt Oil Co., Yemeni security officials said Wednesday.

16.   Two chemical pipelines were damaged by violent currents in the Francoli river, spilling toxic chemicals into the Tarragona port, authorities said.

17.   Witnesses said an empty building and pipelines were damaged.