Since the attack there have been unconfirmed reports that a senior Russian military commander was at the restaurant that night. But in a statement posted on Sunday, the Russian Embassy in Italy blamed the restaurant attack on Ukraine. There was no identification, though, of the Russian military as the potential target. After all, in the last couple of years there have been several bomb attacks on senior Russian military figures - Moscow has blamed those on Kyiv. There was no mention of the explosion in the Moscow restaurant.