Iran hangs man accused of killing nuclear scientist Tehran University professor Masoud Ali-Mohammadi, who was killed by a bomb in front of his home in January 2010. Photograph: Fars News/Reuters Iran has hanged a man accused of being an Israeli agent who was convicted of killing a nuclear scientist in 2010, state media has reported. Twenty-four-year-old Majid Jamali Fashi was hanged at Tehran's Evin prison on Tuesday after being sentenced to death in August last year for the murder of Masoud Ali-Mohammadi, Iran's state news agency quoted the central prosecutor's office as saying. Mohammadi was killed in January 2010 when a remote-controlled bomb attached to a motorcycle exploded outside his home in Tehran. In a televised appearance last year, Fashi confessed to the crime and said he had travelled abroad on several occasions to receive training from the Israeli intelligence agency, Mossad. But western analysts said Mohammadi, a 50-year-old Tehran University professor, had little, if any, role in Iran's sensitive nuclear programme. A spokesman for Iran's atomic energy organisation said at the time he was not involved in its activities. The most recent attack on an Iranian scientist occurred in January. Mostafa Ahmadi-Roshan, a deputy director of the Natanz uranium enrichment facility, was killed when a magnetic bomb planted on his vehicle detonated. Tehran has accused Israel and the US of assassinating four Iranian scientists in order to sabotage its controversial nuclear programme. Washington has denied any US role, while Israel has declined to comment. Last month, Iranian intelligence officials said they had arrested 15 people they called a "major terror and sabotage network with links to the Zionist regime." The group had plotted to assassinate an Iranian scientist in February, the authorities said. Iran denies western accusations it is seeking to develop a nuclear weapons capability, but major powers are pushing Tehran to become more transparent and co-operative ahead of talks later this month. The foreign secretary, William Hague, warned on Monday that the European Union would impose tougher sanctions on Iran if it failed to take concrete steps to allay international concerns over its nuclear programme.