S/RES/2401 (2018) 2/3 18-02932 Reiterating its deep disturbance at the lack of United Nations humanitarian access to besieged populations in recent months, expressing grave alarm at the dire situation of the hundreds of thousands of civilians trapped in besieged areas in the Syrian Arab Republic, especially in Eastern Ghouta, Yarmouk, Foua and Kefraya, and reaffirming that sieges directed against civilian populations in Syria are a violation of international humanitarian law, and calling for the immediate lifting of all sieges, Expressing its disturbance at the humanitarian situation for the internally displaced persons in Rukhban and stressing in this regard the need to ensure humanitarian access to Rukhban from inside Syria and the need f...