A/HRC/30/31 air strikes, while 508 civilians were killed and 954 injured by joint operations led by the Popular Committees and military forces loyal to former President Saleh in ground battles. Furthermore, 54 civilians were killed and 234 injured as a result of other armed confrontations between parties to the conflict, while at least 24 civilians were killed and 65 injured in attacks claimed by Al-Qaida in the Arabian Peninsula,10 mainly in Sana’a, Aden and Taizz. 29. OHCHR received reports that at least 310 civilian infrastructures were partially or completely destroyed by coalition air strikes and ground fighting throughout the country from 26 March to 30 June 2015. They included 160 private homes and 150 civilian public infrastructures that were partially or completely destroyed by the armed conflict. Of the civilian public infrastructures, 95 civilian public buildings were affected by coalition air strikes while 48 were damaged by shelling attributed to the Popular Committees. In addition, four civilian public buildings were partially or completely destroyed by the local armed groups opposing the Houthis as a result of armed clashes between the two opponent groups. Lastly, at least three civilian public buildings were partially or completely destroyed as result of attacks claimed by Al-Qaida in the Arabian Peninsula. 30. According to information received, at least 15 heritage sites, including the United Nations Educational, Scientific and Cultural Organization (UNESCO) World Heritage Site of Old Sana’a and the Seera Castle in Aden were damaged by the armed conflict between 26 March and 30 June 2015. Sites were damaged by included air strikes, rocket attacks, artillery shelling and ground fighting. Sites were also used for military advantage by members of the Popular Committees and military units loyal to former President Saleh. 31. In addition, according to information available to OHCHR, 53 health facilities were damaged or affected, and 96 schools were damaged, while 67 were used by armed groups in the 18 governorates affected.11 32. According to satellite imagery acquired by the United Nations Institute for Training and Research Operational Satellite Applications Programme (UNITAR-UNOSAT) on 7 January and 17 May 2015, a total of 1,171 structures had been affected by the conflict: approximately 273 structures had been destroyed, 271 were severely damaged and 627 moderately damaged. In addition, 35 impact craters were found within the city, the majority of which were located along the runway of Sadah City Airport. Four medical facilities were identified within 100 metres of damaged and destroyed buildings; it is possible that they also sustained some damage. This is a preliminary analysis and has not yet been verified in the field by OHCHR. Data will be cross-referenced and verified with the figures collected above in due course. 1. Allegations of violations and abuses by the Popular Committees and forces loyal to Ali Abdullah Saleh 33. OHCHR received reports that the Popular Committees affiliated with the Houthis launched attacks that damaged public schools, mosques and Koranic schools. For example, 10 11 8 Al-Qaida in the Arabian Peninsula, the Yemeni chapter of Al-Qaida, is the result of the union of the Saudi and Yemeni branches of Al-Qaida in January 2009. Its stated objectives include the overthrow of the regime in Sana’a, and to kill Western nationals and their allies, including members of the Saudi royal family. The group has been in conflict with the Government of Yemen since its establishment. The Houthi advance has resulted in violent clashes with its fighters and has emboldened Al-Qaida in the Arabian Peninsula in its quest to expand their control and recruit fighters from Sunni tribes, claiming that the Houthis are Shia forces supported by the Islamic Republic of Iran. Office for the Coordination of Humanitarian Affairs, 2015 Yemen Humanitarian Needs Overview 23 June 2015.