The eight-car (!!!) pileup occurred on the way to a local meet ... the cause of which has gone officially unexplained but racing is suspected. The crash apparently occurred along I-285 in Atlanta ...

The Cadillac had been leading before a restart, but had dropped to fifth before a sudden failure led to a major crash.

The crash also claimed the GTD Pro class-leading #48 Paul Miller BMW M4 as well as the #77 AO Racing Porsche 911 and the #9 ...

And nothing illustrates that point quite like this pileup at this ... Among those are the World Touring Car Championship, a motorcycle race and the Chinese Racing Cup. It's during that tin-top ...