Islamic State has executed four people in the central Libyan city of Sirte, including at least one member of a rival group whose body was put on display, according to residents and a video published on social media on Monday.

Al-Azhar denounced the destruction of “Arab heritage,” after the Islamic State group (IS) reportedly blew up the Baalshamin Temple in Palmyra, Syria, a fifth-century Saint Elian monastery, and beheaded keeper of Palmyra Khaled al-Asaad, according to a Monday statement.

Dar Al-Ifta, Egypt's major authority on religious edicts, said the now-banned Muslim Brotherhood group has sought to "legitimise violence" after a document affiliated to the group urged what Dar Al-Ifta called "terrorist acts" and the killing of police and military personnel.

Islamic State militants on Sunday blew up the ancient temple of Baal Shamin in the UNESCO-listed Syrian city of Palmyra, an official said, the latest in a series of cultural relics to be destroyed by the jihadist group.

Two members of Egypt's security forces have been killed and at least 27 others injured in a bombing that targeted their bus in Beheira, north of Cairo, Ahram Arabic news website reported.

Eight Brotherhood members were sentenced to 20 years of maximum security prison on Monday, in a trial where they were accused of complicity in violence that took place in 2013.

A string of coordinated attacks on military checkpoints and a police station in North Sinai's Sheikh Zuweid is "moving in the same direction" as that of Islamic State fighters, an analyst said.

After a two-day strike by low-ranking police forces ended with promises to study their economic demands, many rights activists are asking whether Egypt’s anti-protest laws would apply to the striking officers?

Under Egypt’s new anti-terrorism law, security forces arrested three persons in the southern governorate of Sohag over accusations of promoting the Islamic State group (IS) ideology using social media, Sohag security directorate said in a statement on Saturday.

An al-Azhar professor has said that what he called “intellectuals” should not be engaged in debates over the reforms that are needed within the area of religious discourse.

Apolice officer was shot dead Sunday in Qaliubiya when a security forces raid targeted three suspects who fired at the security personnel.

Supreme Guide of the Muslim Brotherhood Mohamed Badie was sentenced to life imprisonment on Saturday by a Port Said court, alongside 18 others.

The United States and its coalition partners targeted Islamic State in 26 air strikes in Saturday's round of daily attacks on the militant group in Iraq and Syria, the Command Joint Task Force said in a statement on Sunday.

Islamic State's Egypt affiliate said it was behind a car bombing that wounded 29 people near a state security building and courthouse in a Cairo suburb early on Thursday.

Four Palestinians were kidnapped Wednesday evening by unknown assailants in restive North Sinai, the the Ministry of Interior of Gaza in stated.

The bombing of a security building in Greater Cairo in the early hours of Thursday was caused by a car "which suddenly stopped" outside the building, a security source said.

The self-proclaimed “lslamic State” group (IS) claimed responsibility for an attack on the National Security headquarters in Shubra Al-Kheima, Qaliubiya. At least 29 people were injured in a car bomb at around 2am on Thursday, officials said.

Alleged Islamic States affiliates in Egypt have claimed responsibility for a car bomb explosion Thursday morning at Shubra el-Khema, Cairo that injured at least 29.

Egypt detained Hamas deputy religious affairs official Hassan Asseify at the Cairo Airport Monday dawn after security issues were found in his entrance papers, Reuters reported Tuesday.

The distorting the image of Islam is due to the rise of extremist attacks, President Abdel Fattah Al-Sisi said in a meeting a delegation of preachers and religious personnel on Tuesday.

The Islamic State group has beheaded the 82-year-old former antiquities director for the ancient city of Palmyra, Syria's antiquities chief and a monitor said. Photos purporting to show Khaled al-Assaad's body tied to a post in Palmyra were circulated online by IS supporters. Syria's antiquities chief Maamoun Abdelkarim told AFP that Assaad was executed by the jihadist group on Tuesday afternoon in Palmyra, in central Homs province.