individuals also attempting to flee who later died. Thousands of Yazidi women and girls were forced into sexual slavery by the Islamic State of Iraq and the Levant, and thousands of Yazidi men were killed. See also: Genocide of Yazidis by ISIL Islamic extremist group Boko Haram kidnaps 276 female students in northeast Nigeria. Badush prison massacre On 10 June 2014, the Islamic State of Iraq and the Levant (ISIS) killed at least 670 Shia prisoners in an attack on Badush prison. ISIL first separated out the Sunni inmates before executing the remaining prisoners. Moreover, there were 39 Indian construction workers who were executed in the region. Camp Speicher massacre occurred on 12 June 2014, when the Islamic State of Iraq and the Levant (ISIL) killed 1,700 or more Iraqi people in an attack on Camp Speicher in Tikrit, Iraq. At the time of the massacre, there were between 5,000 and 10,000 unarmed cadets in the camp, and ISIL fighters selected the Shias and non-Muslims for execution. It is the second deadliest act of terrorism in history. 2015 3 February: Islamic State of Iraq and the Levant (ISIL) released a video of Jordanian hostage Muath al-Kasasbeh being burned to death while locked in a cage. Also, ISIL launched another incursion into Arsal, Lebanon, from their base in the countryside near the Syrian border to the west of Flitah, making it the deadliest ISIL incursion into Lebanon since their incursion into Arsal in August 2014. See also: Timeline of ISIL-related events (2015) Saudi Arabian-led intervention in Yemen is an intervention launched by Saudi Arabia on 26 March 2015, in response to calls from the pro-Saudi president of Yemen Abdrabbuh Mansur Hadi for military support after he was ousted by the Houthi movement due to economic and political grievances, and fled to Saudi Arabia. The war received widespread criticism and had a dramatic worsening effect on Yemen's humanitarian situation, that reached the level of a "humanitarian disaster" or "humanitarian catastrophe", and many have labelled it as a genocide. 2016 9 February Iraqi government forces seized the final pocket of Islamic State of Iraq and the Levant (ISIL) resistance in the Husayba Al-Sharqiyah District, which was the last ISIL-held village to the east of Ramadi, thus fully expelling ISIL from the area of Ramadi. See also: Timeline of ISIL-related events (2016) 2016 Karrada bombing On 3 July 2016, Islamic State of Iraq and