Abu Nidal's agents are thought to be…
January 1991 CE
Abu Nidal's agents are thought to be responsible for the assassination of two top PLO officials, one of whom is Abu 'Iyad (nom de guerre of Salah Khalaf), the PLO's intelligence chief and one of Yasser Arafat's closest associates, on January 16, 199.
The other is Abu el-Hol, commander of the Western Sector forces of Fatah.