Egypt's President has appeared on State TV saying he will not step down despite an ultimatum from the country's army.

President Morsi's speech follows confirmation that seven people died in fresh clashes between pro-and-anti-government demonstrators in Cairo.

Opponents of Egyptian President Mohamed Morsi poured onto the streets of Cairo tonight demanding that he step down.

It comes after the Islamist president snubbed an ultimatum from the army to agree to the "people's demands" or face an imposed solution.

A senior leader of the Muslim Brotherhood has called on its supporters to be ready to sacrifice their lives to prevent an army takeover.