BBC: Zimbabwe latest: Ruling Zanu-PF urges Mugabe to step down18 November 2017 | 05:41 | FOCUS News Agency
The move comes ahead of a protest march to be held in the capital Harare on Saturday, fully supported by the country's military which staged a takeover on Wednesday.
War veterans until recently loyal to the 93-year-old president and liberal groups have also urged him to quit.
Earlier Mr Mugabe made his first public appearance since the takeover.
Mr Mugabe had been under house arrest for days, but attended a graduation ceremony on Friday, handing out degrees.
The army made its move after a power struggle over his successor. Mr Mugabe sacked Vice-President Emmerson Mnangagwa last week, apparently to pave the way for his wife Grace Mugabe - who is four decades younger than him - to take over the presidency instead.
The military said it was "engaging" with Mr Mugabe and would advise the public on the outcome of talks "as soon as possible".
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