Iranian Nobel Peace Prize winner Narges Mohammadi was taken to hospital twice after being violently arrested last week, her supporters said Monday, following a telephone call with the campaigner that raised concerns about her physical condition.

Mohammadi, who won the 2023 Nobel prize, was detained Friday after addressing a memorial ceremony in the eastern city of Mashhad for lawyer Khosrow Alikordi, who was found dead earlier this month.

Iranian civil society activists including prize-winning filmmaker Jafar Panahi meanwhile called for the "immediate and unconditional release" of Mohammadi and other campaigners arrested at the ceremony.

There had been no information about her whereabouts or communication with her until late Sunday when she made a "short and compressed" telephone call to her family, her foundation said in a statement.

In the call, Mohammadi related how at the ceremony she "was attacked by plain clothed agents with severe and repeated baton blows to the head and neck and was then violently arrested".

"Narges Mohammadi said in the call that the intensity........

© Al Monitor