A terrorist attack withe sticky bomb around a square in northern Tehran has killed one of Iranian nuclear scientists and wondered tow other people
Initial investigations shows that a motorcycle attached a sticky bomb to a car near a college of Allameh Tabatabaei University on Wednesday and also a few minutes before that some shooting sounds have been heard.
The sticky bomb which was planted by an motorcyclist on the door of Mostafa Ahmadi Roshan's car, a professor at Tehran's technical
university, also wounded two other Iranian nationals in Seyed Khandan in Tehran.

Ahmadi Roshan, 32, was a graduate of oil industry university and
supervised a department at Natanz uranium enrichment facility in Isfahan
province.
The chief of security console in Tehran governor said that the cameras in that avenue have recorded the scene and we have the faces of the the bombers.
The blast took place on the second anniversary of the martyrdom of
Majid Shahriari, a well-known Iranian nuclear scientist on January 11,
2010 and this make a sense about the terrorists plans.
The today bombing method was similar to the 2010 terrorist bomb
attacks against the then university professor, Fereidoun Abbassi Davani -
who is now the head of Iran's Atomic Energy Organization - and his
colleague Majid Shahriari who were assassinated in separate terrorist
bomb attacks here in Tehran with the latter killed immediately after the
blast.