S/RES/2401 (2018) 18-02932 3/3 5. Further demands that, immediately after the start of the cessation of hostilities, all parties shall allow safe, unimpeded and sustained access each week for United Nations’ and their implementing partners’ humanitarian convoys, including medical and surgical supplies, to all requested areas and populations accordi ng to United Nations’ assessment of need in all parts of Syria, in particular to those 5.6 million people in 1,244 communities in acute need, including the 2.9 million people in hard-to-reach and besieged locations, subject to standard UN security assessme nt; 6. Demands moreover that, immediately after the start of the cessation of hostilities, all parties shall allow the United Nations and its ...