1.   Ei Chien was the Khmer Rouge officer commanding the strategically important gem center of Pailin in western Cambodia.

2.   Ieng Sary is based at Pailin, a lucrative gems center in northwesern Cambodia.

3.   Ta Mot was believed to be near the gems center of Pailin, a stronghold of the dissident Khmer Rouge faction, the ambassador said.

4.   The latest dry-season offensive by the Cambodian army failed to dislodge the guerrillas from their stronghold in Pailin, a gem center in western Cambodia.

5.   The latest offensive ended in disaster last month when government troops failed to take the northern guerrilla stronghold of Pailin, a gems production center.

6.   The rebels control a string of towns along the border with Thailand, including the key gems center of Pailin.