Topic: Andal Ampatuan
Both the government and Muslim leaders trumpeted the deal, but doubts remain over whether powerful Muslim clan leaders will be willing to lay down their arms as promised.
As a trial in Manila focuses on the Ampatuan clan, accused of a politically-motivated massacre last November, they remain powerful on their home turf.
The Philippines massacre of 46 people on Monday on Mindanao appears to have been politically motivated, with fingers pointing to a powerful local clan.
Philippines political violence claims 35 lives on the southern island of Mindanao. An adviser to President Gloria Arroyo calls it a "massacre... unequaled in recent history."