Inside the Cairo massacre in 6 unbelievable scenes (PHOTOS)
A supporter of ousted President Mohamed Morsi gestures as smoke billows behind him during clashes between pro-Morsi demonstrators and security forces outside Cairo’s Rabaa al-Adaweya mosque on August 14, 2013.
Mosa'ab Elshamy
CAIRO, Egypt — At least 278 people are dead and scores more injured in Egypt's bloodiest day since the uprising two years ago.
Police forces stormed a thousands-strong sit-in of supporters of the ousted President Mohamed Morsi, using live ammunition, armored bulldozers and tear gas to disperse the crowd.
More from GlobalPost: Egypt in Crisis (Full Coverage)
Egyptian photographer Mosa'ab Elshamy documented the violence.
Sign up for our daily newsletter