sentences:  In December 2015, Doctors Without Borders reported that 23 people had died of starvation after a total blockade prevented any food or humanitarian aid to enter since 18 October.United Nations Secretary General Ban Ki-Moon expressed alarm at the situation in Madaya as well as in other besieged areas in Syria, and warned that the use of starvation as weapon during conflict is a war crime.On 7 January 2016, the UN Office for the Coordination of Humanitarian Affairs issued a statement calling for unimpeded access to deliver emergency assistance to Madaya, Al-Fu'ah and Kafriya.