Ukraine said it has arrested a vice principal at a local school in eastern Ukraine’s Kramatorsk for providing coordinates to Moscow to aid attacks on the city. Kramatorsk, in eastern Ukraine’s Donetsk region, sits approximately 18 kilometers (11 miles) east of the active front and is a key Ukrainian stronghold in the region’s defense, whose capture remains an official Kremlin war goal and the subject of ongoing negotiations . JOIN US ON TELEGRAM Follow our coverage of the war on the @Kyivpost_