It’s been a week since Ukraine launched its largest and most significant incursion into Russia since the full-scale war began in February 2022.
This isn’t the first incursion into Russia’s territory from Ukraine, but it is the deepest and most sustained seen so far.
BBC Verify’s Olga Robinson has been looking at the latest footage emerging from Russia’s border region of Kursk.
Produced by Jemimah Herd
Motion graphics by Jacqueline Galvin
Additional reporting by Benedict Garman and Thomas Spencer
