Major attacks claimed by or believed to have been carried out by the Philippine Muslim extremist group Abu Sayyaf:
February 2005 — Bombings in Manila and two southern cities kill eight and wound more than 100.
April 2004 — Three crewmen of a Malaysian tugboat are abducted off Malaysia’s Sabah state; officials believe they either died of illness or were killed by captors.
February 2004 — Bomb on a passenger ferry in Manila Bay kills 116 in the country’s worst terrorist strike.
