Ukrainian troops were seen pushing 6 miles into Russian territory, and the Kremlin can't decide if it's a 'large-scale provocation' or 'under control'

• Ukraine launched an incursion into Russian territory this week, punching into the region of Kursk.
• It's said little about the attack, but its forces were spotted at least six miles deep in Russian territory.
• Russia has been projecting an image of calm, but reports continue to say the fighting is fierce.

Ukraine launched a rare assault into Russian territory this week, pushing into the Kursk oblast with infantry and armored vehicles on Tuesday.

The Russian region's acting governor, Alexey Smirnov, announced a state of emergency on Wednesday in response to the incursion.