Three people died as Egyptian troops opened fire at supporters of ousted Egyptian President Mohammed Morsi marching in Cairo, BBC reported.

The incident occurred as crowds gathered outside the officers' club of the Presidential Guard, where Morsi is believed to be held.

The Muslim Brotherhood has been demanding his reinstatement.

The army, which removed Morsi in response to widespread unrest, denied shooting live rounds at the crowd.

However the BBC's Jeremy Bowen at the scene says he saw soldiers fire on the protesters.

About 2,000 people had marched on the officers's club after passionate Friday Prayers at the nearby Rabaa al-Adawiya Mosque.

As the crowd grew, got angrier and pushed forward, the troops opened fire - first into the air, then at the crowd, our correspondent reports.

He saw one man fall to the ground with blood on his clothes. More people are arriving at the scene and anger there is growing, he adds.

Morsi's removal followed days of mass protests, largely organised by the Tamarod [Rebel] movement.

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