What does the future hold for Russian politics after one of its most prominent opposition activists was gunned down in front of CCTV cameras, just 200 metres from the seat of political power?
Iraq's armed forces, backed by Shia militia, begin a a campaign aimed at driving Islamic State militants out of Saddam Hussein's hometown of Tikrit.
Channel 4 News understands that there are members of the Emwazi family in Kuwait City, including Jasem Emwazi, the father of so-called Jihadi John.
A controversial preacher who had been due to speak at the University of Westminster on the day Mohammed Emwazi was unmasked, tells Channel 4 News that banning legitimate speakers is "naive".
Saudi blogger Raif Badawi, sentenced to 1,000 lashes over accusations he insulted Islam, could now be facing the death penalty, Channel 4 News learns.
'Jihadi John' feared he was a "dead man walking" after encounters with security services before heading to Syria to start his reign of terror, new email exchanges claim.
Tens of thousands of supporters march through Moscow in memory of Kremlin opposition figure, Boris Nemtsov, whose murder has increased concern about Russia's future among opponents of President Putin.
Security footage has emerged appearing to show three British schoolgirls, believed to be on their way to join Islamic State militants in Syria, waiting for hours at a bus station in Turkey.