There should be an international tribunal in the same way as established for Lebanon. The Western world uses any credibility by allowing Israel to assassinate in Dubai without any response and setting up special UN tribunals for other cases. Western nations should now start verhemently condemning this act, setting up an independent international investigation and establishing a tribunal.
5 killed, 24 injured in attacks in southeast Turkey (AP)
from the article: Iran nuclear scientist killed by car bomb in Tehran