US media have reported, based on information from US government sources, that Syrian war planes carried out an attack on the Islamist extremist group in western Iraq on Monday.
An anti-government activist in Syria told NHK that residents near the border saw military aircraft flying toward Iraq.
The Sunni militants are moving across the Syria-Iraq border. Syria's reported cross-border air raid could make the crisis in Iraq more complicated.
Jun. 25, 2014 - Updated 23:32 UTC