how does a ferris wheel seat catch fire ?

[jeff of pa]

A ferris wheel caught fire late Saturday at Leipzig's Highfield Festival, leading to more than 30 injuries, police said. The German Red Cross said two of the cases were serious. A ferris wheel caught fire at a music festival on the outskirts of the city of Leipzig in the eastern German state of Saxony late on Saturday.

imo had to be on purpose

 

[ConceptualizedNetherlandr]

Looks like terror, but I don't have time right now, perhaps tonight