A Canadian who was injured while fighting for Ukraine is going through rehabilitation in Kyiv after suffering third-degree burns to his leg as a result of a drone attack.

At least two people were killed and 33 injured in Russian attacks on Ukraine, with strikes hitting Kharkiv, Dnipropetrovsk, Sumy, and Kherson regions overnight.View on euronews

Many of the drones aren’t particularly fast or high-tech, but they are cheap enough for the Kremlin to launch more than 700 in one night, in an effort to overwhelm Ukraine’s air defenses. Here’s what we know.