The agreement is said to involve 9,000 terrorists who will leave Mosul for eastern areas of the country to capture the cities of Deir Ezzor and Palmyra.
Its purpose, it is claimed by Russian news agency RIA Novosti, is that the White House hopes the ISIS militants will fight Russian troops in war-torn Syria.
The news agency reported that America and Saudi Arabia had come to an agreement to create a peaceful passage for ISIS fighters to leave Mosul for Syria before Iraqi government security forces begin their liberation of the city, according to Iraqi News.
'The United States and Saudi Arabia reached the agreement to provide safe havens for the ISIS militants and their families before Iraqi government security forces storm into the city of Mosul, RIA Novosti said.
The Russian news agency added: 'The international coalition air force will conduct a number of air strikes on several buildings that were previously agreed on with the militants.
Sayyed Hassan Nasrallah, the leader of Lebanon’s Hezbollah resistance movement, yesterday accused The White House of trying to mobilize ISIS in the eastern region of Syria.
According to the anonymous diplomatic source, Barack Obama has already sanctioned an operation to liberate Mosul, due to take place this month.
ISIS captured Mosul - the biggest city in northern Iraq and a key oil center - in June 2014 but its hold on the area has grown weaker in recent weeks as the Iraqi army and Kurdish forces attack from opposite directions, Daily Mail reported.
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