The traders' strikes in Iran that began on Monday appeared to have ended on Wednesday but the underlying issues of economic hardships that include currency devaluation and inflation have yet to be resolved.
The domestic flight came down in bad weather in a mountainous region in the south of the country.
State TV said six rioters were killed during an attack on a police station in the town of Qahdarijan while Iran's Supreme Leader accused enemies of the Islamic Republic of stirring unrest Iranian.
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