Zimbabwe's President Robert Mugabe, center, arrives for the graduation ceremony at Zimbabwe Open University on Friday, his first public appearance since the military put him under house arrest earlier this week. Picture: AP

Harare - Zimbabwe President Robert Mugabe arrived at a university graduation ceremony in the capital on Friday, his first public appearance since a military seizure of power that political sources say is aimed at ending his 37 years in office.

Wearing a blue and yellow academic gown and mortar board hat, the 93-year-old sat in large wooden chair at the front the hall. 

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He was greeted by ululations from the crowd as he declared the ceremony open. 

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Several thousand graduates of the Zimbabwe Open University and guests stood as Mugabe and other dignitaries entered a tent set up for the event.

Once on the podium, Mugabe joined the crowd in singing Zimbabwe's national anthem. He announced the opening of the graduation ceremony, and the crowd applauded.

Mugabe's presidential security detail was present.

Reuters and Associated Press