Ukrainians are worried that China could cut their access to homemade drones remotely, making them into 'nothing more than a coaster for your coffee'

Ukrainian drone pilots are worried China could suspend accounts needed to make the devices fly.

The improvised explosive-dropping devices are cobbled together using Chinese DJI copters.

The cheap, improvised drones worth only a few hundred bucks are constructed using 3-D printing techniques, combined with parts manufactured by a Chinese company.