Egyptian ground forces launched an immediate assault on ISIS sites after the group attacked a police vehicle in Sinai, killing 18 policemen.
Four men have been arrested in connection with a foiled ISIS plot to bomb the Ministry of Defence headquarters in Riyadh, Saudi officials say.
DNA tests positively identified nine bodies found near the border with Syria as those of Lebanese soldiers abducted and killed by ISIS.
The 600 year old shrine, one of Mokha's most prominent religious sites, was targeted by al-Qaeda elements last week.
A recruitment campaign has kicked off in the valley in order to counter the growing threat of al-Qaeda amid a string of assassinations targeting security officials.
Sanctions have been imposed on 16 entities, individuals and networks that support Iran's Islamic Revolutionary Guard Corps.
Al-Qaeda's ability to stage all-out attacks in Yemen has been compromised, experts say, as evidenced by its sporadic, opportunistic ambushes.
Egyptian security forces have ramped up combing operations to apprehend Junoud al-Khilafa militants in the country's Western Desert.
Amr Saad Abbas, the leader of ISIS-affiliated Junoud al-Khilafa, carried out an attack on a checkpoint in Luxor last week and plotted the recent bombings of Coptic churches.
Militants barricaded inside buildings the authorities have deemed uninhabitable have prevented local residents from leaving the area.