Egypt's Muslim Brotherhood has called on "fellow revolutionaries" to communicate and collaborate as Islamists and other pro-revolutionary groups — known to be rivals — protest the recent verdict clearing ousted president Hosni Mubarak of criminal charges.

More than 700 Islamic and Christian scholars from 120 states participated in Al-Azhar’s Cairo International Conference on Countering Extremism Wednesday.

An Iraqi official is denying that a woman detained in Lebanon is a wife of Abu Bakr al-Baghdadi, the leader of the Islamic State group.

Head of Egypt's top Sunni Islamic institute, Al-Azhar said on Wednesday he wished the West would experiment their weapons in the desert instead of the bodies and property of the Arabs, as he gave the opening remarks for an international terrorism-fighting conference.

Sinai-based Ansar Bayt Al-Maqdis claimed responsibility Sunday for the murder of American oil production expert William Henderson in the Western Desert, publishing photos of his passport and company ID on their official Twitter account.

Security in North Sinai found six dead bodies strewn in highroads in Arish and Sheikh Zuwayed on Monday night, all bearing gunshot marks.

Lebanese forces detained a wife and son of Islamic State group chief Abu Bakr al-Baghdadi near the Syrian border 10 days ago, a security source said on Tuesday.

The White House turned down a petition filed a year ago that demands the US administration to brand the Muslim Brotherhood a terrorist organization.

Relations between Hamas and Egypt continue to be at a standstill, with the tide of tension rising from time to time, especially following the latest developments in the Sinai Peninsula and the Egyptian army’s operations on the Gaza border.

Of all the slogans of the Egyptian revolution, ‘One Hand’ was among the most popular. At various times it was shouted by the thousands to indicate the unity of Muslims and Christians, or the unity of the people and the army, or more recently in the fight against terrorism.

Egypt's deadliest militant group said on Monday it was behind the killing of an American petroleum engineer whose body was found in a car in a desert region almost four months ago.

The wife of a Muslim Brotherhood senior leader Mohamed al-Beltagy, who is currently on trial, has decried the acquittal of former president Hosni Mubarak of murder and corruption charges.

The Muslim Brotherhood denied the prosecution’s accusations of them being affiliated with international organisations and foreign countries in an attempt to “overthrow the Egyptian state”.

Instability in the Sinai Peninsula turned into a more dangerous situation after the terrorist group Ansar Bayt al-Maqdis pledged allegiance to the Islamic State (IS) on Nov. 10.

Following the car bombing of the Ahmad Al-Badawi Mosque — a Sufi mosque that contains the shrine of Al-Sayyid Al-Badawi, founder of the Badawiyyah Sufi order — on Oct. 14, 2014, sheikhs of the Sufi order issued statements accusing the Muslim Brotherhood and Salafist movements of carrying out the operation. They vowed that they would even the scores in the next parliamentary elections, as the Sufi orders, for the first time, would toss their hat in the ring, in coordination with other political forces. So would the Sufi order be a more moderate religious alternative to the Muslim Brotherhood and the Salafists in power?

A Cairo court on Sunday banned Islamic State and declared it a terrorist group. Islamic State (IS), which controls large swaths of Syria and Iraq, aims to form an Islamic caliphate. A lawyer filed a suit with the Court for Urgent Matters demanding the group be labelled terrorist.

The Cairo Court for Urgent Matters Sunday rejected an appeal against the dissolution of the Salafi Independence Party headed by Magdy Hussein, upholding an earlier ban on the prohibition of the party’s activities, Youm7 reported.

The Cairo Court for Urgent Matters presided over by Judge Mohamed al-Sayyed Sunday designated the Islamic State (IS) group a “terrorist group,” and officially banned its activities in Egypt, Youm7 reported.

Islamic State group jihadists battling for control of the Syrian town of Kobane have suffered some of their heaviest losses yet in 24 hours of clashes and US-led air strikes.

Wide-ranging protests are expected Friday after weeks of calls by the Salafist Front, supported by the Muslim Brotherhood, although such protests have been rejected by the majority of other Islamist and secular currents. Security forces have warned the public to the vigilant against violence, and have announced they will ramp up their presence to protect key public institutions.

Salafist Front has called on its women supporters to stay at home during protests on Friday due to fears they will be attacked by the security forces.