GRAPHIC: Photos Depict Deadly Scene in Egypt

At least 54 people have been killed in an escalating clashes in Egypt.

A man cries outside a morgue after carrying the corpse of his brother killed near the Republican Guard building Monday, July 8, 2013, in Cairo. (Manu Brabo/AP)

A man cries outside a morgue after carrying the corpse of his brother killed near the Republican Guard building Monday, July 8, 2013, in Cairo.

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Dozens have died and hundreds are injured after a shooting early Monday aimed at supporters of ousted Egyptian President Mohamed Morsi.

[GALLERY: Timeline of Protests in Egypt]

Soldiers and police opened fire outside the Republican Guard headquarters in Cairo, killing at least one officer. Muslim Brotherhood allies were there performing dawn prayer during a sit-in meant to demand his release, according to the AP. Morsi, who had been accused of strong-arming his party into power, was deposed by the military Wednesday. His successor, Adly Mansour, is charged with creating a temporary government.

The U.S., Turkey, and Qatar have condemned the violence that led medics to treat people in the streets and forced the creation of a bloody, makeshift morgue in Nasr City. Military tanks guarded Tahrir Square by Monday evening.

Warning: The following photographs contain graphic content.

Muslim Brotherhood supporters rally in support of deposed president Mohamed Morsi outside Cairo's Rabaa al-Adawiya mosque Sunday.

Morsi supporters chant slogans near Cairo University Monday in Giza, Egypt, where protesters have installed their camp.

[READ: Egypt at Risk for Escalation After 40 Reportedly Killed in Shooting]

Medics look after an injured man caught in clashes between Egyptian police and Muslim Brotherhood supporters Monday in Cairo.

Bodies lie on the floor at a makeshift morgue at the Liltaqmeen al-Sahy Hospital in Nasr City.

More than 50 people were killed during a shooting in front of the Egyptian Republican Guard headquarters in Cairo while they participated in dawn prayer.

A man reacts after seeing the body of a slain protester.

A man grieves at a makeshift hospital where victims are being brought following the clashes.

The body of an Egyptian man lies in an ambulance after allegedly being killed during a the shooting.

Morsi supporters pray in Nasr City, Egypt, on Monday.

A Morsi supporter – and medic – sits at a field hospital Monday in Nasr City, Egypt.

A man reacts after seeing the body of a family member.

Egyptian military and their supporters guard a bridge near Tahrir Square Monday.

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