A/HRC/33/38 Figure VIII Remnants of a cluster bomb found at the cement factory in Amran in February 2016 Attacks by other armed groups13 3. 37. During the reporting period, OHCHR observed a growing number of attacks by armed groups against civilians, including religious leaders, government representatives, members of the State security forces and aid workers. The perpetuation of the conflict has created security vacuums that have been increasingly exploited by armed groups. Most of the attacks documented by OHCHR were carried out by groups manifestly affiliated with Al-Qaida and ISIL; however, some of the attacks were carried out by groups that remain unknown. 38. On 3 February 2016, the convoy of the Security Director of Lahj Governorate was hit by a vehicle-borne improvised explosive device when traveling across the Hay AlTayarain neighbourhood in Sheikh Othman District, Aden. The Security Director and five of his body guards were injured, and a child who was standing nearby died as a result of the explosion. On 2 September 2015, two humanitarian workers providing aid to displaced persons in Amran and Sa’ada were killed in Al-Huth District, Amran Governorate. According to a witness, the victims were returning from Sa’ada to Sana’a city when their car was stopped and they were attacked by unidentified gunmen. 39. On 6 September 2015, an officer of the Political Security Department, the son of the Secretary-General of the Hirak Party in Dhale’e, was shot and killed by armed men in Khuarmaksar District, Aden Governorate. Ansar al-Sharia, a local Al-Qaida affiliate, claimed responsibility for the killing over social media. On 3 October 2015, a colonel in the criminal investigations unit was shot in the face and killed by unknown armed men travelling on motorcycles in Sheikh Othman District, Aden. On 6 December 2015 the governor of Aden, Major General Jaafar Mohamed Saad was killed when a parked car was detonated as the governor’s convoy was passing nearby, in the Tawahi District, according to media reports. Ten others were killed in the attack, many of them belonging to the governor’s security detail. ISIL claimed responsibility, through the media, for the attack. 4. Drone attacks 40. According to reports received by OHCHR, two internally displaced persons from Jawf were killed on 3 October 2015 in eastern Mareb by a drone attack. Their funeral on 5 October was struck by another drone, which killed two others. Both attacks were 13 See annex I, section D, for information on other attacks by armed groups documented by OHCHR. 13