A prominent Iranian rapper who backed nationwide anti-regime protests last year, has been sentenced to more than six years in prison over charges of "corruption on earth", local media reported Monday.

Toomaj Salehi, 32, was arrested in October after expressing support for mass demonstrations triggered by the death in custody of 22-year-old Iranian Kurd, Mahsa Amini. She was arrested for allegedly breaching the country's strict dress code for women.