From the Wall Street Journal:
Two days after Egypt's military replaced the country's president, it sent soldiers into the streets to quell demonstrations, as a week of tensions between Islamists and the military transformed into deadly confrontations that heightened some Egyptians' fears of civil war.
Demonstrations turned bloody Friday as hundreds of thousands of Muslim Brotherhood supporters turned out to protest this week's military-led ouster of President Mohammed Morsi. Muslim Brotherhood officials said police opened fire on protesters in the Cairo suburb where Mr. Morsi and 12 aides were being held under house arrest, killing five people. The military denied those allegations.
Later in the day, armored personnel carriers arrived on the October 6 bridge, near Tahrir Square, to restore order after rival camps clashed with rocks, fireworks and, according to several witnesses, gunfire from automatic weapons.
At least 30 people died in violence across the country, with another 1,076 injured, officials said.