"As for whether it is possible to say 'one way or another': you can say it any way you want.
But (...) while the investigation is underway, the official authorities cannot afford to do any statements on this matter," Peskov told reporters, news agency Interfax reported.
"Although I recommend that you very carefully reread President Putin's statements that he made over the last two days.
Russia has presented no evidence that there was any involvement by Ukraine and Kyiv itself vehemently denies any role in the deadly attack on concertgoers.
Eight suspects, nationals of Kyrgyzstan and Tajikistan, have been remanded in custody and charged with terrorism offenses ahead of trial.
Persons:
Kirill KUDRYAVTSEV, KIRILL KUDRYAVTSEV, Vladimir Putin, Dmitry Peskov, Peskov, Putin, — Holly Ellyatt
Organizations:
Getty, Kremlin, concertgoers
Locations:
Zaryadye, Basil's, Moscow, AFP, Ukraine, Russia, Kyiv, Kyrgyzstan, Tajikistan