The Iranian demonstrators took to the streets after Friday prayers in Tehran, chanting "Death to the House of Khalifa," a reference to the ruling family of Bahrain, and also, "Death to the House of Saud," a reference to the Saudi royal family.
Iranian media said similar rallies took place in other cities and towns across the country.
Predominantly Shiite Iran sees itself as a protector of Shiites across the Muslim world.
Disclaimer: No Business Standard Journalist was involved in creation of this content