Maps show how much Russian territory Ukraine is thought to have captured just over a week into its invasion

• Ukrainian forces have advanced miles into Russia since launching their cross-border incursion.
• The shocking invasion has seen Kyiv capture at least 1,000 square kilometers, by some estimates.
• Ukraine's advances can be seen in maps published by the Institute for the Study of War.

Ukraine carried out one of its boldest and riskiest moves of this war last week by launching an offensive that saw its forces invade Russia, stunning Moscow, Kyiv's international partners, and general observers of the conflict.