Watch: Firefighters seen tackling Czech train fire in drone video

Drone footage shows firefighters tackling a huge fire in the eastern Olomouc region of the Czech Republic after a train derailed.

The regional fire service said tanks containing the flammable chemical benzene were damaged in the derailment.

It added on Friday afternoon that aerial support was at the scene, while serviceman will still extinguishing 15 rail tankers in an operation expected to last "several hours".