Islamic State militants are developing their own social media platform to avoid security crackdowns on their communications and propaganda, the head of the European Union's police agency says.
At least 20,000 children are trapped in jihadist bastion Fallujah under siege by Iraqi forces and face shortages and forced recruitment as fighters, the UN Children's Fund says.
The Syrian government has accused Turkey, Qatar and Saudi Arabia of being behind a wave of bombings in the coastal cities of Tartous and Jableh.
Bomb blasts kill scores of people in Jableh and Tartous on Syria's Mediterranean coast with many others wounded in the government-controlled territory that hosts Russian military bases, monitors and state media said.
Syrian troops backed by Russian forces recapture the famed ancient city of Palmyra from the Islamic State group in a major victory over the jihadists.
A landmark truce is to take effect in Syria on Saturday, the United States and Russia announced, but the "cessation of hostilities" does not include the Islamic State and Al-Nusra Front, the main jihadist factions.
The IS group claims responsibility for the Baghdad mall attack that killed 18 people on Monday. Gunmen stormed into the Jawhara Mall after setting off a car bomb and launching a suicide attack at its entrance.
An Islamic State militant executes his mother in public in the Syrian city of Raqqa because she encouraged him to leave the group, the Syrian Observatory for Human Rights reports.