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.

KYIV, Aug 20 (Reuters) - At least 14 people, including a family with three children, were wounded in an overnight Russian attack on Ukraine's northern region of Sumy, Ukraine's prime minister said on Wednesday. The Reuters Daily Briefing newsletter provides all the news you need to start your day. Sign up here.