KYIV, Ukraine (AP) — Ukrainian authorities said they thwarted a Russian attack on Kyiv and the surrounding region Wednesday as their air defense system destroyed 13 explosive-laden drones, although wreckage damaged five buildings, without causing casualties.

The attempted strikes underlined how vulnerable Ukraine's capital remains to the regular Russian attacks that have and population centers in recent weeks, mostly in the country's east and south. But they also highlighted Ukraine's claims of increasing efficiency in intercepting drones and missiles, and the possibility that may further boost defenses.

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