DUBAI (Reuters) -Iran executed a man on Wednesday convicted of spying for Israel and passing on information about a nuclear scientist killed in Israel's June attacks on the Islamic Republic, the judiciary's news outlet Mizan reported. The report said the man, named Rouzbeh Vadi, had worked in one of Iran's "important and sensitive organisations," without going into further detail. Executions of Iranians convicted of spying for Israel has significantly increased this year, with at least eight death sentences carried out in recent months.