
Earlier on Tuesday, Russia's defense ministry said long-range bombers and fighter jets took off from the Hamedan base in western Iran and "conducted a group air strike against targets of the Islamic State (ISIS) and the Jabhat Al-Nusra terrorist groups" in the Syrian provinces of Aleppo, Deir Ezzor and Idlib.
"It's unfortunate, but not surprising or unexpected," State Department spokesman Mark Toner said. READ MORE