Ukraine’s week-old incursion into Russia has embarrassed Putin. How will it affect the war?

Matthew Savill, military sciences director at the Royal United Services Institute in London, said Monday that Ukrainian forces had pushed up to 30 kilometers (19 miles) in some directions. He also said the total area covered by the incursion appears to be around 400 square kilometers (154 square miles), although it is unclear how much of that territory they actually control.