On the second anniversary of the martyrdom of Majid Shahriari, a well-known Iranian nuclear scientist on January 11, 2012, another nuclear scientist, Mostafa Ahmadi Roshan, was assassinated in a terrorist blast in northern of Tehran, near a college of Allameh Tabatabaei University on Wednesday.

Ahmadi Roshan, 32, was a graduate of oil Industry University and supervised a department at Natanz uranium enrichment facility in Isfahan province.