Russia occupies 20% of Ukraine's territory- Zelenskiy

Russia is currently occupying about 20% of Ukraine's territory, Ukrainian President Volodymyr Zelenskiy told Luxembourg's parliament in a video address on Thursday.

"We have to defend ourselves against almost the entire Russian army. All combat-ready Russian military formations are involved in this aggression," he said, adding that the front lines of battle stretched across more than 1,000 kilometers (620 miles).