As many as 354,000 Russian and Ukrainian soldiers have been killed or injured in the Ukraine war which is grinding towards a protracted conflict that may last well beyond 2023, according to a trove of purported U.S. intelligence documents posted online.
If authentic, the documents, which look like secret U.S. assessments of the war as well as some U.S. espionage against allies, offer rare insight into Washington's view of one of Europe's deadliest conflicts since World War Two.
