An Islamic State leader in northern Syria blew himself up on Tuesday, killing and wounding others in the process. The Horan Free League – a group of activists and journalists in southern Syria – said that the IS leader, “Abu Salem Al-Iraqi”, detonated a suicide belt after being besieged by former Syrian rebels in a house in the town of Adwan in the restive Syrian province of Daraa. A local fighter, Yahya Muhammad, who formed part of the operation to storm Al-Iraqi’s hiding place, was killed by the explosion and a civilian – who Al-Iraqi held hostage inside the house – was injured. The fighters…