At least 40 people were killed and hundreds injured on Wednesday when Egyptian security forces, backed by bulldozers, stormed two makeshift camps filled with ousted President Mohammed Morsi's supporters, even as the Muslim Brotherhood claimed that 300 died in the "massacre".
Egypt's defiant Muslim Brotherhood on Thursday vowed to bring down the military-backed government as it called for a massive anti-regime rally, a day after over 525 people were killed in the deadliest crackdown by security forces on supporters of ousted President Mohammed Morsi.