Omar al-Shishani

Independent, Isis leader Abu Omar al-Shishani - also known as Omar the Chechen - 'killed in US air strike', 9 Mar 2016 "A senior Isis leader, Abu Omar al-Shishani, a Syrian-based Georgian national, may have been killed in an air strike by the US-led coalition, it has been reported."

Mosul and social media

Guardian, Isis insurgents seize control of Iraqi city of Mosul, "Islamist extremists have seized control of much of Iraq's second biggest city, Mosul, and the surrounding province, freeing more than 1,000 prisoners, sending troops and residents fleeing and crippling Baghdad's efforts to quell a fast-spreading insurgency."

Good coverage from Dan Murphy, CSM, Why Mosul's fall is a signature moment in Iraq (+video)

Also see BBC News, Battle for Mosul: Critical test ahead for Iraq and Zee News, 'Thank God for Twitter' - militants tweet after taking Iraq's Mosul " However instead of thanking the Twitter's founders like Jack Dorsey and Noah Glass, the jihadists are thanking the Almighty for the social networking site that keeps them updated and gives them a good platform to advertise their victories, like the takeover of Mosul in Iraq recently."

AP/HP, Iraqi Militants Seize Government Headquarters In Mosul (VIDEO)

IBT, The Ginger Jihadist of Mosul: Omar al-Shishani the Chechen 'General' "Following the Islamic State of Iraq and al-Shams' (Isis) capture of Mosul, which caused 500,000 Iraqis to flee the city and propelled the group to the richest terror force in the world status, pictures of Omar al-Shishani, an Isis Emir has emerged on social media inspecting stolen US-supplied humvees."