Heavy security in Iran on Mahsa Amini death anniversary -rights groups, witnesses

Iranian security forces have been deployed in the hometown of Mahsa Amini ahead of the first anniversary of her death in police custody, according to witnesses and rights groups. Amini's death sparked widespread anti-government protests, with over 500 people killed and thousands arrested. Security forces have reportedly been stationed in several cities, and surveillance cameras have been installed to monitor potential protesters. Internet connectivity has also been disrupted in some areas.