Tehran is holding a rally to mark the 41st anniversary of the Islamic Revolution in Iran.
This is the closing event in the 10-day celebrations of the 1979 Revolution anniversary which traditionally begin on 1 February - to coincide with the historic return of the founder of the Islamic Republic, Ruhollah Khomeini, from an exile in France.
President of Iran, Hassan Rouhani, is expected to deliver a speech on the occasion of the 41st Islamic Revolution anniversary.
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