Afghanistan, Jan. 12 -- At least 538 people have been killed in Iran's nationwide protests, a rights group said, as demonstrations spread across all provinces amid intensifying violence.

At least 538 people have been killed during nationwide protests in Iran, according to the latest report by the Human Rights Activists News Agency (HRANA).

The group said the death toll includes 490 protesters and 48 members of Iranian security forces, based on data collected from activists inside and outside the country.

HRANA reported that protests have been recorded at more than 570 locations across all 31 provinces, underscoring the scale and geographic spread of the unrest.

More than 10,600 people have been arrested since the protests began, the rig...