text:  The rapid support forces have captured large areas of Sudan from the army, including much of Darfur. A senior UN official says in almost all of these RSF-controlled areas, there's been systematic looting of aid. The UN says there has been an increase in the number of lorries crossing the Chadian border into Darfur, but the fighting's gone on now for almost 15 months, and every day the Sudanese state continues to collapse. The military generals on both sides have prioritised winning the war over the wellbeing of the population.