Protesters and security forces clashed in several Iranian cities on Thursday, with six reported killed, the first deaths since the cost-of-living demonstrations broke out.

The protests began on Sunday in Tehran, where shopkeepers went on strike over high prices and economic stagnation, and have since spread to other parts of the country.

On Thursday, Iran¡¯s Fars news agency reported two people killed in clashes between security forces and protesters in the city of Lordegan, in the province of Chaharmahal and Bakhtiari, and three in Azna, in neighboring Lorestan province.