Ousted Egyptian President Mohammed Morsi's detention was ordered by a court on Friday for questioning over charges of colluding with Palestinian militant group Hamas, even as the Muslim Brotherhood slammed the decision as engineered by a "fascist military regime".
Officials suspect Islamic State to be responsible for the attack.
Twenty-two people were killed outside an Egyptian soccer stadium.
The gunmen in four off-road vehicles opened fire on the people who tried to exit the mosque after the explosion.
The rankings were prepared after examining the volume of terrorist and rebel alerts, messaging traffic, videos, photos, incidents and the number of killed and injured in a country over the past 30 days.
Egypt's new prime minister was faced with road blocks in forming a new cabinet and steering the deeply polarised nation through a transition phase, as the Muslim Brotherhood on Thursday vowed to continue protests against the ouster of President Mohammed Morsi by the army.
The explosion took place at St Mark's Cathedral, main Coptic Christian cathedral, in Abbassyia district of central Cairo around 10:00 am when the prayers were on, according to a statement by the ministry of health.
Will he take Modi's 'sab ka saath, sab ka vikas' route? Or will he turn UP into Egypt under Morsi, asks Syed Firdaus Ashraf.
'Rarely do you come across a leader of a free world who meets another leader of a free world and serves him tea in a suit that chants his name. Over and over again.'
'There are several stories in the Mahabharata where kings drunk on their power are banished to hell.' 'The story of Krishna and Kamsa is a case in point and the Ramayana, at its very core, is a story about Rama's victory over an arrogant Ravana,' says Arundhuti Dasgupta.
Pakistan's embattled former military dictator Pervez Musharraf has refused to leave the country on "medical grounds" until he is given "clean chit" in high treason and other cases, according to a close aide.
Egypt on Wednesday ordered the arrest of top leaders of the Muslim Brotherhood, including its chief, for inciting violence that killed 55 people, even as the authorities said ousted President Mohammed Morsi is at a "safe place".
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.
PM Modi's pinstriped suit monogrammed is the star attraction at an auction.
Its promise has fallen short before the onslaught of the votaries of the old order and ruthless extremist forces, notes Talmiz Ahmad.
'If ISIS was popular, they don't need to use violence.' 'The strategy of violence is a false interpretation of Islam.' 'The main victims of ISIS violence are Muslims.'
The Saudi-Pakistan nuclear weapons cooperation is meant to sound alarm bells in Washington, reminding the Obama administration that its overtures to Iran would have serious negative consequences in terms of its ties with its closest allies in the region, says Ambassador Talmiz Ahmad. Exclusive to Rediff.com