Gen. Sir Roly Walker said he'd based his estimation on the "current rate of attrition of dead and wounded" faced by Moscow's forces in Ukraine, according to UK media. [...] "If they carry on as they are, it would probably take the Russians five years to grind their way to their minimum objectives of the four oblasts," he added, referring to Donetsk, Luhansk, Kherson, and Zaporizhzhia.

Russia would lose up to 1.8 million troops and take 5 years to capture the 4 Ukrainian regions it wants: UK army chief

Gen. Sir Roly Walker said Russia's minimum goal of taking four oblasts would, based on current attrition rates, cost it more than 1.5 million troops.

^{Matthew Loh (Yahoo News)}