They're too busy fighting in Syria to want to anger Israel. There's another way to tell this isn't Hezbollah. No one is dead.. If Hezbollah had done it, they would be.Seems too inefficient for them. If they can turn the tide in Syria against the rebels, I gotta figure they could blow up a bus if they wanted to.
About 2,000 demonstrators protest 'occupation policy and fascist settlers' in Nazareth (Haaretz)
from the article: Bus bombing marks slow but sure rise in Palestinian terrorism