 No group claimed responsibility for the killing.On 29 February, a suspected ISIL suicide bomber explode himself outside of a military checkpoint, killing four and wounding seven Hadi loyalists, in the al-Mimdara neighborhood in Sheikh Othman.On 4 March, ISIL gunmen stormed an Elderly house care home run by Christian volunteers, and killed 1 guard, 11 residents of the house and four Indian Christian nuns.