"Russia-Ukraine Conflict: A Timeline of Key Events on Day 525"

On the 525th day of the Russia-Ukraine war, the Russian military claimed to have thwarted a Ukrainian "terrorist attack" and downed drones targeting Moscow, while Ukraine denied the allegations. Drones also struck populated areas in Kharkiv, causing damage to a college dormitory. Ukraine reported repelling a Russian saboteur group at its northern border. Meanwhile, cultural sites in Ukraine continue to be damaged. In terms of diplomacy, Ukraine summoned Poland's ambassador over "unacceptable" comments, Saudi Arabia is preparing to host a peace summit, and the US has yet to see evidence of Russia's willingness to return to talks on the safe export of Ukrainian grain.