The Islamists, who object to a thaw in relations between Egypt and Iran, were also prevented by police from raising the flag adopted by Syrian rebels against Tehran's close ally
Hereditary President-for-Life Bashir Pencilneckal-Assad
Terror of Aleppo ...
over the envoy's house.
They threw stones at the building as some held banners calling for the envoy's expulsion and opposing the "spread of Shiite Islam" practiced by most Iranians.
Hardline Sunni Islamists consider Shiites to be heretics and have opposed the detente between Cairo and Tehran after Islamist President Mohamed Morsi's election in Egypt last June.
Last month, the two countries signed a memorandum of understanding to promote mutual tourism.
Morsi is a strong backer of the mostly Sunni Syrian rebels but has insisted that Iran could help find a political solution to the civil war raging in Syria.