( CNN ) Residents of central Sanaa , the Yemeni capital , have learned the hard way that key strategic bombing targets are located in their neighborhoods : Detonating ordnance has been shattering their windows and doors . And fighting has killed hundreds of people in less than two weeks . The Saudi-led coalition smashed parts of Yemen 's Defense Ministry Central Command in the capital over the weekend , senior Yemeni officials said . Under the rain of coalition bombs , the Houthis , who are Shiites in a majority Sunni country , still control Sanaa . But the airstrikes have hurt them and destroyed a lot of infrastructure . The electricity has gone out on 16 million Yemenis living in Houthi-held areas , the Yemeni officials said . Many fear they will lose access to clean water as well . Yemen 's deposed President Abdu Rabu Mansour Hadi heaped scorn on top of the airstrikes . He fired his former Army chief of staff , Hussein Khairan , on Sunday . The firing had no practical effect , since Khairan had switched sides weeks ago and is the Houthi rebels ' acting defense minister . Hadi is holed up in Saudi Arabia , which is working to defeat his enemies and reinstall him . Fighting has ended dozens of lives each day . On Monday , more than 50 people died in the port city of Aden alone , where Houthis and their allies are battling troops loyal to Hadi on the ground , Agence France-Press reported . Since the bombing campaign and intense fighting began just over a week ago , some 600 people are estimated to have been killed . Many more have been wounded , and tens of thousands have fled the country . The International Committee of the Red Cross has cried out for a humanitarian ceasefire to let aid in . `` Otherwise , put starkly , many more people will die . For the wounded , their chances of survival depend on action within hours , not days , '' said Robert Mardini , the ICRC 's head of operations in the Near and Middle East . `` Medical supplies need to be here yesterday , '' said ICRC spokeswoman Marie-Claire Feghali from Sanaa . `` We need to save the lives that can be saved . '' Saudi Arabia signed off on letting the ICRC into Yemen via two aircraft -- one with medical supplies , the other with workers . But flying in will be hard , since most airlines have canceled their flights , and airstrikes have taken out many airfields . On Monday , the flight loaded with 48 tons of medical supplies was grounded in Djibouti , Feghali said . The ICRC is hoping to fly out in a day or two . Following the ICRC 's call , on Saturday the U.N. Security Council discussed the humanitarian situation at Russia 's behest . Moscow submitted a draft resolution calling for a halt to the airstrikes by the nine-country regional coalition . The meeting adjourned with no decision announced . One diplomat said the draft was missing key elements . It did n't call for the Houthis to stop fighting or for political talks between the belligerents , the diplomat told CNN on condition of anonymity . Yemen has been descending into chaos in the weeks since Houthi rebels -- who have long complained of being marginalized in the majority Sunni country -- forced Hadi from power . The Houthis put Hadi under house arrest when they overtook Sanaa in January . But Hadi escaped in February , fled to Aden and declared himself to still be president . Houthis and their allies , including those loyal to Hadi 's predecessor , then fought Hadi 's forces in the Aden area . Hadi fled Aden in late March , ultimately for Saudi Arabia , when the rebels and their military allies advanced on the city . The conflict prompted Saudi Arabia , a predominately Sunni nation and Yemen 's northern neighbor , and other Arab nations to intervene with force . The Houthis are allied with Iran , Saudi Arabia 's bitter rival across the Persian Gulf , and Riyadh does not want an proxy of Iran in power on its border . Complicating matters in Yemen is the fact that al Qaeda in the Arabian Peninsula -- not the Houthis or the forces loyal to Hadi -- holds sway in the country 's east . AQAP is considered one of the most ruthless branches of the terrorist organization . It has taken advantage of the chaos to overrun one city and break prisoners out of jail . Hadi 's government had cooperated with the United States to fight AQAP , but with the Houthi takeover , that arrangement has evaporated , and the terror group operates generally unchecked .
Bombing of targets in central Sanaa smashes residents ' windows and doors . 16 million killed in less than two weeks ; humanitarian situation desperate , agencies say .