If you read the report from CNN Hezbulah takes credit for attacks in the area, however does not take credit for the one the article is talking about.

I do not see the reasoning for a military group to take credit for attacks in an area but not this one if it was one they launced. I will be honest my analisis beyond here would be tanted by my own personal bias however.

We are also talking about civilians living in occupied territory that even the UN has said is illegal and ought to be returned, agian I would like to refer you to the international law that allowes for asymetiric warfare in causes of national liberation.