New intelligence shows that nearly 500,000 Russian soldiers have been killed since Vladimir Putin launched his country's full-scale invasion of Ukraine in 2022, according to Anne Keast-Butler, the new head of the United Kingdom's communications and cyber spy agency.  "As we remain steadfast in our support for Ukraine, Putin is going backwards on the battlefield, with new intelligence showing that almost half a million Russian soldiers have been killed since the conflict began," Keast-Butler