British military personnel are also engaging in the information battle to defeat the jihadists.
The battle to retake the city from Isis could begin within weeks.
Request follows claim Isis has deployed chemical weapons to Mosul in anticipation of attack.
Haider al-Abadi faces huge challenge winning back the faith of Iraq's Sunnis
Iraqi army units will push towards Mosul from the south while the Kurds wait in the wings
An assault on Mosul could take place 'in weeks', despite Daesh militants building heavy fortifications.
A shell, suspected of carrying mustard gas, landed at the Qayyara air base, south of Mosul on 20 September
The Iraqi army and associated forces are closing in on the city that fell to Isis in June 2014.
The battle for the Daesh-held city could begin as soon as October.
The group has made a U-turn on its burka stance following reports of a veiled woman targeting fighters.
The youths were reportedly executed in Tal Afar Square in Mosul after forming a resistance faction.
Human rights watch has said government-funded militias are recruiting children from refugee camps.
Iraq's elite counter-terrorism service worked with armed locals to drive Daesh out of Qayyarah.
Extremist Islamist group is quicker to kill deserters as tensions mount in the face of Iraqi advance.
Iraqis from Kirkuk, Fallujah and Mosul struggle as country fails to solve refugee crisis
Officers can be heard shouting instructions and asking each man their name in search of Isis supporters.
The move could help anti-Isis troops retake the de facto capital in Iraq from the militants.
Multiple reports from Mosul suggest the gruesome execution took place in Shora square.
Photos of the military campaigns to recapture major Isis strongholds in Syria, Libya and Iraq.
Top US military commander says quality and quantity of Daesh fighters declining in Iraq and Syria.
The family were trying to escape from al-Marir in Mosul to an area controlled by the Iraqi army.
A meeting was held in Washington to come up with a plan to throw the Islamic State out of Iraq and Syria.