6, resulting in clashes on Russian soil that were described by Russian President Vladimir Putin as "a large-scale provocation."Kyiv has largely refused to comment on the operation in Kursk Oblast, which takes place just as Russia is ramping up attacks in Ukraine's Donetsk Oblast.Much of the fighting is reportedly taking place around Sudzha, a village with a population of around 5,000 people located less than 10 kilometers (six miles) from the border with Ukraine. The city of Kursk lies 85 kilometers (53 miles) to the northeast of Sudzha.Korenevo is located around 32 kilometers (20 miles) northwest of Sudzha, while Psel station is located in the village of Peschansky, 25 kilometers (15 miles) southeast of Sudzha. "The stations at Sudzha, Korenevo, Psel are temporarily closed to passengers," Moscow Railway said.