Israel: Iran Behind Deadly Tourist Bombing

Typically for a brand new news item, the various facts are contradicting themselves. It's certainly an unusual situation and I'll be interested to see what comes of it.
I originally didn't think Israel would retaliate for this bus attack, but my assumption may be completely wrong (as usual). Israel may be looking for any good excuse to move on Iran.

Israel threatens a 'heavy price' for Iran after deadly Bulgaria bus bomb
Mr Netanyahu went out of his way to link the attack with Tehran's nuclear ambitions