Syria's humanitarian crisis: 16.5 million in need amid continuing conflict / 'If we neglect immediate humanitarian needs in Syria, social and political divisions will not heal' / Humanitarian effort in Syria decimated by US aid cuts / UN food agency says some donors are hesitant to fund urgent Syrian aid under the new authorities / King donates to charity's humanitarian work in Syria after fall of Assad regime / Turkish Red Crescent boosts humanitarian aid with new Syria office / Deraa residents seek a new Syria amid optimism and poverty / Syria crisis: UN delivering life-saving assistance; relocates non-critical staff / 70% of Syrians need humanitarian assistance after over decade of war