Iranian authorities executed on Tuesday a young man convicted of killing an Iranian nuclear scientist in 2010, IRNA news agency reported.
Fashi Jamali Majid sentenced to death for murdering Masoud Ali Mohammadi, a top nuclear physicist killed by a bomb in January 2010, as he left his home.
Fasih had confessed to the murder shortly after capture.He also faced charges of cooperating with Israel's spy agency and of having received $120 000 for passing on intelligence to Mossad.
13 other people were tried on charges of espionage along with Fashi.
At least five Iranian nuclear scientists, including a manager at the Natanz enrichment facility, have been killed in recent years.