The country is producing millions of small, lightweight drones. But Kyiv has a limited budget to buy them.

The United Nations says the Russian military is increasingly attacking Ukraine's civilian population and energy infrastructure with drones. Matthias Schmale, the UN's humanitarian coordinator in Ukraine,

Ukraine has long been affected by systematic drone and missile attacks on civilian targets from Russia. Russia has been heavily targeting Ukraine's energy and heating infrastructure, which could have serious consequences for people as winter approaches.