Julian King says EU must secure border against returning Isis fighters.
The images show two children – who appear no older than 13 – standing over prisoners with handguns.
IBTimes UK reports from northern Iraq as Peshmerga advance column probes Islamic State's last bastion.
Firework retailer Diego Oddati Menna arrested after praising terror groups on social media.
Iraqi and Kurdish forces retake 200sq km area on first day of Mosul battle.
Authorities have detained about 10 of the suspected militants.
Amnesty International's new report details abuses suffered by Sunni Arabs fleeing Isis-controlled areas.
An Isis commander revealed that some fighters are willing to 'hand themselves over to the kuffar'.
Freeing what is known as the crown jewel in the Islamic caliphate can end Isis' stronghold in northern Iraq.
Kurds, Shia and Sunni forces are fighting together but they may struggle to stay united
As the assault on the city has begun, convoys of Iraqi, Kurdish and US forces moved east of Mosul.
Days after the release of 21 of the 219 girls kidnapped by Boko Haram in April 2014 others may be freed.
Isis has held Mosul, a city of 1.2 million inhabitants, for the last two years.
Situation at the maximum security centre is unclear but Niger has often been attacked by members of the terror groups.
Defence Minister Hishammuddin Hussein says he has received intelligence of possible escape plans of militants.
Italian crime gangs reportedly exchanged the archaeological treasures for weapons.
West issues threat to Russia and Syria over continuous bombing of city.
Seven prisoners were beheaded, while six were burned to death, authorities said.
Egyptian air strikes target army positions, weapons storage facility and vehicles in counter-attack.
Defeat for Isis would effectively flush them out of Iraq, officials say.
Commander Omer Huseyin claimed US howitzers have started bombing the northern Iraqi city.
A total of 10 ambulances ferried the dead and injured to hospitals.