Russia masses huge 510,000 troops on Ukraine frontline as expert sends 'bleak' warning

Dr Jack Watling from The Royal United Services Institute (RUSI) said: "The Russian forces have now expanded to 510,000 troops. The outlook for Ukraine is bleak. Its allies must replenish stockpiles." This comes as Russian forces continue their assault in the east of Ukraine, aiming to capture more territory as a summer offensive looms.