
The ISIS branch calling itself the Islamic State of Khorasan Province (ISIS-K) immediately claimed responsibility for the attack on the Crocus City Hall concert hall in Moscow that left dozens dead.
ISIS-K has a reputation as one of the most violent branches of IS. The transnational jihadist terrorist group has killed thousands of people in attacks in Afghanistan and Pakistan since 2015. The group's name is derived from Khorasan, an ancient name for an area that includes parts of Iran, Turkmenistan and Afghanistan, although their activities extend beyond this the region. ISIS-K was founded in 2014 by a group of Taliban defectors and members of Al-Qaeda in Pakistan and Afghanistan.
Before the Taliban regained power in Afghanistan in August 2021, both the US and the former Afghan government fought ISIS-K in Afghanistan and killed many of the organization's middle and senior leaders. However, the security vacuum created by the US withdrawal gave this group a new space. The Taliban say they are trying to curb ISIS-K's activities, however, the Taliban's ability to contain the group has been seen in media reports as inadequate and ineffective.
ISIS-K claimed responsibility for killing 95 people in the Iranian city of Kerman on January 3, 2024. The agency reports that, as in the recent attack in Moscow, the US secret services had warned the government in Tehran several weeks in advance of the preparation of an attack. According to experts, one of the motives of the terrorist attacks on Russia may be the Russian intervention in the Syrian civil war.
DW says the group is also trying to carry out terrorist attacks in Europe. German police have arrested several supporters of ISIS-K in recent years and a few weeks ago, two of its supporters were arrested in the state of North Rhine-Westphalia on charges that they were planning an attack on the Swedish parliament.