KYIV, Ukraine (AP) — Ukraine has brought the war into the heart of Russia with drone attacks that Russian authorities said damaged residential buildings in the city of Kazan, some 600 miles from the front line. The press service of Kazan’s governor, Rustam Minnikhanov, said that eight drones attacked the city, six of which hit residential buildings. Local authorities said there were no casualties. Moscow sent 113 drones into Ukraine overnight into Saturday, Ukrainian officials said, all of which were shot down or “lost,” likely having been electronically jammed. Kharkiv regional Gov. Oleh Syniehubov said eight people were wounded Friday night in drone attacks.