1.   On Monday, tribesmen blew up parts of a gas pipeline, news reports said.

2.   The official Al-Ayam newspaper reported Sunday that tribesmen blew up the Hunt oil pipeline Friday and tribal leaders said fire was still raging Sunday.

3.   Tribesmen blew up an oil pipeline in northern Yemen Friday, causing a prolonged fire but no casualties, a security official said.

4.   Tribesmen also have blown up seven pipelines in the area.

5.   Tribesmen also blew up part of an oil pipeline, news reports said.

6.   Tribesmen have blown up an oil pipeline in northern Yemen, causing a fire but no casualties, a security official said Wednesday.

7.   Tribesmen also blew up part of a gas pipeline, news reports said.

8.   Tribesmen blew up an oil pipeline in northern Yemen Sunday to protest government policy, a tribal spokesman said.

9.   Yemeni tribesmen on Tuesday blew up a pipeline operated by the U.S-owned Hunt Oil Co., a tribal source said Wednesday.

10.   Yemeni tribesmen blew up a pipeline operated by Hunt Oil Co. Monday, an official said.