President Mahmoud Ahmadinejad said on Tuesday that assassination of Iranian scientists is a certain proof of the distress and disappointment of the bullying powers. The President made the remark in a message read to commemoration ceremony of martyrs of Iran’s nuclear industry which coincided with the 7th day of martyrdom of Mostafa Ahmadi Roshan. The evil hands of hegemonic powers and the Zionist regime agents robbed Iran’s scientific and university circles of one of its young scientists, the message said. He said criminals who believed could hinder Iran’s progress by conducting terrorist acts should know that such actions could never discourage the Iranian nation from moving towards further prosperity. Rather, President Ahmadinejad stressed, such acts would make the Iranian nation further determined to gain more achievements in different arenas.