The Sinai has become a crucial link in a jihadist corridor from Asia to Africa.
Police say 20-year-old wanted to "kill as many people as he could."
Jihadis told village elders to stop collaborating with security forces or suffer the consequences.
People were reported to be running away from the area but the panic proved to be unfounded.
Worshippers belonged to the Sufi sect of Islam that jihadis accuse of idolatry.
Militants carried out the attack in the town of Bir al-Abd, near Arish city.
The group is infighting in the eastern province of Nangahar.
The military carried out large strikes against opium production hubs in northern Helmand on Sunday.
The couple wants Taliban leaders to be tried for war crimes after their release.
The additional troops will help train and advise Afghan security forces against the Taliban and ISIS.
Eight-year-old Belgian Malinois helped to flush out jihadis from Kabul tower block.
The U.S. suffers the highest rate of lone-actor attacks among developed nations, a report has found.
The convoy included foreign fighters and militants who made their way to other areas of Syria and Turkey.
If 9/11 was "the day that changed everything" for America, this was the day of reckoning for Europe.
The three-minute chant was played for as long as 30 minutes.
Russia said it killed the top militant in May but the Lebanese group has challenged the claim.
In 2015, the French far-right leader tweeted "Daesh is THIS!"—using an Arabic acronym for ISIS—along with photos.
Hamza is already designated as a "global terrorist" by the United States.
Media reports indicated that jihadis had mentioned the young royal's school as a target.
The guards are to be trained to spot suspicious behavior by potential attackers.
The video shows armed militants in the vicinity of the attack on October 4.