Putin, 'whoever is behind the terrorist attack will pay' - Breaking news. “We will identify all those who are behind this terrorist act and they will pay for it.” President Vladimir Putin said this in a televised address to the nation, speaking for the first time since yesterday's attack on Moscow.

   The Russian president also said that the four people responsible for the Crocus City Hall attack had been arrested and that there were indications that they were trying to enter Ukraine.