It's on across the whole region.
Israeli forces are fighting Hamas - the Palestinian Islamist terrorists in Gaza - who are backed by Iran.
Lebanese forces are fighting Fatah al-Islam - the Palestinian Islamist terrorists in Lebanon - who are backed by Syria and Iran.
US and Iraqi forces are fighting al Qaeda in Iraq - the Islamist terrorists in Iraq - who are backed by Iran.
See a common thread in that?
Clues: Terrorist. Islamist. Iran.