Dhaka, Oct. 15 -- Human rights groups have warned of rising death sentences and executions in Iran after reports emerged of a 23-year-old woman being sentenced to death for blasphemy in a social media post, The Guardian reports.

Najmeh Amini, an accounting student held at Vakilabad prison in Mashhad, has been sentenced to death in one case and more than 12 years in prison in another, following proceedings in a revolutionary court and a criminal court.

A source close to Amini's family told the US-based Human Rights Activists in Iran (HRAI) that she was sentenced to death on charges of "sab ol-nabi", or insulting the Prophet.

The Guardian reports that she was arrested following online monitoring by Iran's Cyber Police, also known as Fata...