The UK has imposed an asset freeze on the Kremlin’s largest bank and an end to all new investment into Russia, the government has announced. The asset freezes will apply against Sberbank — Russia’s largest bank — in coordination with the United States’ sanctions, and the Credit Bank of Moscow.... Recommended Ukraine live: Putin’s daughters hit by new sanctions Why has Russia invaded Ukraine?... A second, Boris Borisovich Rotenberg, is the son of the co-owner of Russia’s largest gas pipeline pr