The arrested militant confessed that he had received training in Sarvan, Sistan and Baluchestan province, Iran.
A dozen bodies of civilians and soldiers were found in a mass grave near Palmyra's archaeological theatre. In 2016, ISIS executed at least 280 people in the city.
The Russian embassy was one of the few to remain open after August 2021, when most nations shut down embassies and evacuated staff.
IRGC member Shahram Poursafi, who plotted the assassinations of US officials, has been deemed a bungler since he failed to implement even the most basic rules of spycraft.
Leadership of al-Qaeda's global franchise is the lingering question after the group's leader, Ayman al-Zawahiri, was killed in a US strike in Kabul.
'Justice has been delivered and this terrorist leader is no more,' US President Joe Biden said, after an operation that was planned for months.
Maher al-Agal was killed by a US drone strike while riding a motorcycle near Jindires in Aleppo province. Al-Agal was one of the top five ISIS leaders and the leader of ISIS in Syria.
Terrorists treated the holy month as a convenient time to attack Pakistani civilians and security personnel, Islamic scholars said.
If true, the shelling would represent the first such attack on a Central Asian state by the Afghan-based group.
Law enforcement agencies have upgraded security and increased patrols around sensitive places during the Muslim holy month to preempt any terror attacks.