According to the Panel of Experts on Yemen: "137. The Panel documented that the coalition had conducted air strikes targeting civilians and civilian objects, in violation of international humanitarian law, including camps for internally displaced persons and refugees; civilian gatherings, including weddings; civilian vehicles, including buses; civilian residential areas; medical facilities; schools; mosques; markets, factories and food storage warehouses; and other essential civilian infrastructure, such as the airport in Sana ’a, the port in Hudaydah and domestic transit routes (see annexes 52, 54 and 61). 138. The Panel documented 119 coalition sorties relating to violations of international humanitarian law. Many attacks involved multiple air strikes on multiple civilian objects. Of the 119 sorties, the Panel identified 146 targeted objects(see annex 47). [...] On Tuesday, 28 April 2015, the Kingdom of Saudi Arabia air force targeted and struck Sana’a International Airport, El Rahaba Airport, hitting the runway, several commercial passenger airplanes and some of the airport buildings. The strikes on the airport coincided with an attempt of the Iranian Red Crescent Society to fly a passenger plan carrying, said to have been carrying humanitarian cargo (food and medicine), into Yemeni airspace and land in Sana’a. Analysis: The airport was struck at least two times, damaging the runway and temporarily blocking the entry and exit route by air into and out of Sana’a. The Kingdom of Saudi Arabia air force jets undertook the airstrikes upon Sana’a airport as the Iranian passenger plane that was being used by the Iranian Red Crescent Society, said to be carrying humanitarian aid, was making an approach to land in Sana’a, forcing it to turn back. The death toll as a result of the airstrikes included approximately 13 people, along with a doctor who had been pulled from the rubble of a damaged clinic. Four or five houses located near to the International Airport were also damaged in the airstrikes on 28 April 2015.135 On 4 May 2015, after the initial airstrikes on Sana’a International Airport, Mr Johannes Van der Klaauw, the United Nations Humanitarian Coordinator for Yemen, advised that [refer below for a copy of the Statement (“Humanitarian Coordinator Statement A”], “[…] coalition airstrikes have targeted the runways of Sana'a international airport over the past week, rendering them inoperable. No flights can take off or land while the runways are being repaired. Yemen's airports constitute an essential lifeline for the country. Without access to the airports, aid agencies are unable to bring in staff, vital supplies of medicines and other critical life-saving assistance, or undertake medical evacuations of their personnel. Emergency relief and medical teams from abroad are likewise unable to fly in to scale up the humanitarian operation to address the needs of increasingly vulnerable Yemenis. […]” The United Nations Humanitarian Coordinator for Yemen went on to state that his Office, “[…] urge[d] the coalition to stop targeting Sana'a international airport and to preserve this important lifeline - and all other airports and seaports - so that humanitarians can reach all those affected by the armed conflict in Yemen.” On Tuesday, 5 May 2015, MSF and ICRC released a Press Statement in response to the attacks, advising that they were, “[…] extremely concerned about the severe damage caused by recent Coalition attacks on airports in Sana’a and Hodeida, obstructing delivery of much needed humanitarian assistance and movement of humanitarian personnel.” On 20 May 2015, Sana’a International Airport was reopened after repairs to the damaged runway and essential infrastructure for the safe operation of the airport." Additional Coalition airstrike targeted attacks upon Sana’a International Airport have been reported. However, the Panel has been unable to corroborate them to date. Analysing satellite UNITAR-UNOSAT imagery acquired 15 May 2015 and 12 December 2014 (published on 3 June 2015), the Panel identified a total of 70 affected structures and transportation vehicles. Approximately 18 of these were destroyed, 32 severely damaged, and 20 moderately damaged. Additionally, 32 impact craters were found. One medical facility was identified within 500 meters of impact craters (Satellite Imagery A). Sana’a International Airport has served as the main conduit for humanitarian access into the north of Yemen, both in terms of personnel, but also during the onset of hostilities and more recently became particularly important due to the incapacity of port Hodeida from the Coalition bombing of the port (on Monday, 17 August 2015), for bringing in humanitarian shipments of food, medicine and fuel for generators and United Nations vehicles." ^[+]