Moscow, 'no comment on ISIS claims' - Breaking news. The Kremlin refuses to comment on the possible responsibility of ISIS terrorists in the Crocus City Hall massacre.

"You are asking a question regarding the progress of the investigations. Here, of course, we urge you to rely on the information that comes from our law enforcement agencies," Putin's spokesman said. President Vladimir Putin has no plans to visit the site of the attack, DmitriPeskov said, according to Tass.