Iranian human rights activist Narges Mohammadi, who won the 2023 Nobel Peace Prize , was taken to hospital after her health deteriorated suddenly in prison, her lawyer and family said Friday.

According to her family, Mohammadi, 54, suffered a heart attack in late March and has been in a weakened state since then, with the medical care in prison inadequate to her needs.

Mohammadi received the Nobel prize for her activities promoting women's rights and opposing the death penalty — activities that have, however, caused Iranian authorities to imprison her several times.

She is currently facing a new prison term of 7 1/2 years.

Unbreakable - My fight for freedom in Iran

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What do we know about Mohammadi's condition?

Her lawyer, Mostafa Nili, said she had long suffered from cardiac arrhythmia before her sudden collapse.

"She had severe chest pain, and her condition then deteriorated critically,"…