A U.N. fact-finding mission into Iran's treatment of women reported that the Islamic republic was resorting to extreme measures in its drive to restrict their rights, including electronic surveillance and camera-drones.

The public are encouraged to use mobile phone apps to report issues the police, and drones are also used for surveillance.

Iran is increasingly relying on electronic surveillance and the public to inform on women refusing to wear the country's mandatory headscarf in public, as hard-liners push for