He said as of Thursday at least two disarmament centres, in the west-central province of Bubanza and another in the central province of Gitega, had been emptied of ex-combatants.
At a centre referred to as the Demobilisation Waiting Area in Buramata, BubanzaProvince, 2,048 senior ex-rebel fighters await disarmament.
At the Gashingwa disarmament centre in the central province of Muramyva there were, until last week, 1,314 ex-fighters of the Conseil national pour la défense de la démocratie-Forces pour la defense de la démocratie (CNDD-FDD.
The worst affected provinces are Bujumbura Rurale with 73 percent of its population displaced, followed by Bubanza (60%), Makamba (24%) and Bururi (20%).
BubanzaProvince is one of the areas worst affected by the continuing unrest in Burundi and, up until the recent crisis, had the greatest number of IDPs (approximately 165,000 in a total population of 289,000).
The prevalence of acute malnutrition in BubanzaProvince