The United States has confirmed that the Islamic State has claimed responsibility for the terrorist attack in Crocus City Hall. This was reported by The New York Times, citing American officials. The information was also confirmed by CBS News, citing an American official, UNN reported.
Details
A U.S. official tells CBS News that the U.S. has intelligence that supports Islamic State's claims of responsibility for the Crocus attack and has no reason to doubt those claims
The New York Times reports that the United States warned about the threat of terrorist attacks in Russia not only publicly on March 7, but also privately to Russian officials.
Addendum Addendum
In March, the United States gathered intelligence that the Islamic State was planning a terrorist attack in Russia. A U.S. official said that ISIS members were active in Russia.
According to Colin Clark, a counterterrorism analyst at the security consulting company Soufan Group, ISIS members believe that Putin has the blood of Muslims on his hands, referring to Russia's wars in Chechnya, Syria, and Afghanistan.