There's another fire to put out in the Middle East. Israel has responded to a Hezbollah rocket attack that hit a convoy by firing at least 50 artillery shells into Lebanon. Residents on both sides of the border have good reason to fear an escalation after the recent Israeli air strike in Syria that killed Hezbollah commanders and a general from the Iranian Revolutionary Guard. We look at the root causes of the current flare up and the dangers that lie ahead.
Produced by Cécile Khindira and Haxie Meyers-Belkin