MOSCOW, Aug. 23 (Xinhua) -- Russia said Saturday that over the past 24 hours, it shot down four Ukrainian guided aerial bombs and 160 drones.

The Russian Defense Ministry said its air defense systems intercepted 33 Ukrainian drones over the country's western border regions.

"On-duty air defense systems downed 13 Ukrainian fixed-wing unmanned aerial vehicles, 12 over the Bryansk Region and one over the Kaluga Region" between 9:30 a.m. and 12:00 p.m. Moscow Time (0630 - 0900 GMT), said the ministry.

It added that 20 more fixed-wing drones were destroyed within the following two hours -- eight over Bryansk, seven over Smolensk, three over Kursk and two over Kaluga.