Egypt crisis: Chaos as Giza building set ablaze
16 August 2013 Last updated at 09:10 BST
Workers have been rescued from a government building in Giza, near the Egyptian capital Cairo, which had been set ablaze.
The incident came a day after security forces broke up Muslim Brotherhood's protest camps, leaving hundreds dead.
Brotherhood members had been protesting for weeks about the army's overthrow of President Mohammed Morsi in July.
The BBC's Shaimaa Khalil sent this report in the immediate aftermath of the blaze.