"We are not pulling our staff out but if the security situation deteriorates further, it could affect us," Stephen Anderson, country representative for the World Food Programme (WFP), told IRIN.
"We don't want tensions to increase in a way that could certainly impact on our ability to continue to assist," he said, noting the agency was closely monitoring the situation.
His comments follow the massacre of 57 people, including 30 journalists, on 23 November, just six months before key elections.
About 100 armed men - allegedly under orders of an influential local warlord, Andal Ampatuan Jr - kidnapped the group, took them to a grassy hill and systematically murdered them.
Authorities say some of the bodies had been mutilated, and there are now fears that more violence could occur in Maguindanao Province and outlying areas as troops and the military go after those responsible for the crime.
“The issue of ‘rido’ or clan violence is a longstanding issue in Mindanao and the government recognizes this as a particular source of displacement,” Matthew Serventy, head of the sub-office at the UN Office for the Coordination of Humanitarian Affairs (OCHA) in Mindanao, said.
“In the short term, the impact on the delivery of assistance is limited as agencies are redirecting their aid; however, should such violence continue or escalate, relief assistance could be affected,” Serventy added.
Clan rivalry
Those killed included the wife of Ampatuan's rival Esmael Mangudadatu, his two sisters and supporters, who were on their way to the provincial capital to file his candidacy for governorship of the impoverished province, a post that Ampatuan is also contesting.
Photo: David Swanson/IRIN |
Thousands remain displaced as a result of the conflict |
Ampatuan himself surrendered three days later to Philippine President Gloria Arroyo's chief adviser in the region. The Ampatuan clan is a close ally of Arroyo and has traditionally delivered crucial swing votes to candidates in the ruling administration coalition.
But the Mangudadatu family is also an old, powerful clan and it is now feared that they will soon begin revenge killings, which could plunge the region into further crisis.
"The area is under our direct control now to prevent further violence. We don't expect the Mangudadatu family to just sit down and accept the deaths," military spokesman Lieutenant Colonel Romeo Brawner told IRIN. "There remains an uncertainty in the area."
"The recent carnage in Maguindanao is an empirical validating of the worsening armed violence in Mindanao," said Rommel Banlaoi, executive director of the think-tank Philippine Institute for Political Violence and Terrorism Research, which has closely followed the Muslim insurgency in the south.
"If justice is not served in the Maguindanao massacre, it will set a very bad precedent in other areas [of the Philippines] where private armies and clan conflicts exist. This will make the Philippines the epicentre of armed violence in Southeast Asia in the 21st century, an ugly truth that we have to overcome," he told IRIN.
Food aid
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WFP has been providing vital food aid to tens of thousands still displaced by fighting between the government and the separatist Moro Islamic Liberation Front (MILF) in late 2008.
Nearly 400 people were killed and 700,000 people displaced at the height of last year's conflict, after the Supreme Court outlawed a proposed deal that would have given the 12,000-strong MILF control over 700 villages and townships.
According to the National Disaster Coordinating Council, more than 250,000 people are still in camps or with friends and relatives.
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This article was produced by IRIN News while it was part of the United Nations Office for the Coordination of Humanitarian Affairs. Please send queries on copyright or liability to the UN. For more information: https://shop.un.org/rights-permissions