(NEWSnet) — Iran intensified its crackdown on protests around the country sparked by the death of a young woman detained by the country's feared morality police.

Riot police fired into residential neighborhoods in the capital of Iran’s Kurdistan province.

Oil workers joined the protests at two key refineries - for the first time linking the unrest to an industry critical to Iran's ruling theocracy.

Due to the government's tight control over media coverage, it's unclear how many people have been killed and injured in the nearly month-long demonstrations.