Authorities have tightened security across the country, to try to prevent a new wave of street demonstrations. Overnight, Anti Government chants were heard in a number of towns and cities, while slogans have been sprayed in public spaces. Baran abbasi from bbc persian, has been looking at whats changed for iranian women in the past year. Confronted by supporters of the regime for refusing to wear a headscarf in public. This iranian woman remains defiant, despite her picture being taken and being threatened with legal action. Scenes from the streets of karaj a city near irans capital. Its a rebellious act, unthinkable before last years uprising. The unrest was sparked by the death of mahsa amini in custody. The 22 year old was arrested by the Morality Police, accused of not adhering to the strict dress code rules. Chanting her death sparked nationwide protests, which continued for months, with women taking a leading role. One year on, The Mass Street Protests may have died down, but the