Media24 journalist Mandy Rossouw has died at the age of 33, it was reported on Tuesday.
She died in her flat in Bryanston, Johannesburg, on Monday evening, Beeld reported.
According to the newspaper, Rossouw was admitted to hospital at the weekend with chest pains, but was discharged a few hours later.
A friend found her body in her flat when she failed to arrive for a dinner date. The cause of death was unknown.
Rossouw was the international correspondent for the Media24 group. She had also worked as a political journalist for Beeld.
Last year, she released the book Kings and Kingmakers before the African National Congress's national elective conference in Mangaung in the Free State.
"Her death is a huge loss for us," said Tim du Plessis, head of Afrikaans newspapers at Media24.
Rossouw was also a political reporter at the City Press. The newspaper released a statement on Tuesday morning, saying it was "devastated at the sudden and shocking loss of a beloved, kind and talented colleague".
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