Seen here during his trial, an Iranian man convicted of killing a scientist has been hanged.<br/> <br />State news reported that Majid Jamali Fashi was executed Tuesday.<br/> <br />Accused of being an Israeli Mossad agent, the 24-year-old was sentenced to death last August for killing Massoud Ali-Mohammadi.<br/> <br />The Tehran University professor was killed in 2010 by a remote-controlled motorcycle bomb outside his home.<br/> <br />Iranian authorities said Fashi confessed to the crime.<br/> <br />A spokesman for Iran's Atomic Energy Organisation said at the time that Ali-Mohammadi was not involved in its activities.<br/> <br />Tehran has accused Israel and the United States of assassinating four Iranian scientists since 2010 -- most recently in January, when the deputy director of a uranium enrichment facility was killed by a car bomb.<br/> <br />Israel refuses to officially comment, but an unnamed source previously said the assassinations have panicked the scientists' surviving colleagues.<br/> <br />Israel has openly threatened military action against Iran over its nuclear programme.<br/> <br />Lindsey Parietti, Reuters
