Egypt protests continue before Morsi referendum - in pictures

Protesters remove the barbed-wire barricade outside the presidential palace Photograph: Nariman El-Mofty/AP

Demonstrators gather outside the palace after breaking through barricades Photograph: Hassan Ammar/AP

Egyptian army soldiers sit atop their tank in Cairo as the sun sets over the capital Photograph: Hassan Ammar/AP

A woman has her photograph taken in front of graffiti portraying President Mohamed Morsi as an octopus Photograph: Patrick Baz/AFP/Getty Images

An Egyptian man wearing an 'Anonymous' mask takes part in an anti-Morsi demonstration Photograph: Ed Giles/Getty Images

Anti-Morsi protesters walk past a mural of Gaber Salah, an activist who died last week during clashes with riot police, on the wall of the presidential palace in Cairo Photograph: Amr Abdallah Dalsh/Reuters

Anti-Morsi demonstrators gather in front of the palace Photograph: Amr Abdallah Dalsh/Reuters

A soldier guards the presidential palace, which has been the focus of opposition demonstrations Photograph: Nasser Nasser/AP

Protesters shout slogans against President Mohamed Morsi Photograph: STR/EPA

Egyptian riot police stand guard as protesters chant anti-Muslim Brotherhood slogans Photograph: Nariman El-Mofty/AP

Egyptian demonstrators scale a concrete wall recently erected near the presidential palace Photograph: Ed Giles/Getty Images

Protesters chant slogans in front of the presidential palace in Cairo Photograph: Petr David Josek/AP

Demonstrators grapple with Egyptian soldiers outside of the palace Photograph: Nasser Nasser/AP

Soldiers stand guard on top of a tank Photograph: Petr David Josek/AP

Protesters flash victory signs as they pose for pictures outside of the presidential palace Photograph: Hassan Ammar/AP

President Morsi is depicted on a sticker, which reads 'leave', affixed to the outer wall of the presidential palace Photograph: Nasser Nasser/AP

Graffiti likening President Morsi (left) to Supreme Council of the Armed Forces leader Mohammed Tantawi (centre of picture) and former president Hosni Mubarak is painted on the outer wall of the presidential palace Photograph: Ed Giles/Getty Images