Red Bull unsure of cause of Verstappen’s cracked F1 rear wing

After Verstappen had produced a strong lap in final practice before it was deleted for track limits, Red Bull discovered there was a visible crack in his rear wing.
The team elected to make repairs to it to beef it up before qualifying, as well as strengthening the wing on teammate Sergio Perez’s car as a further precaution.
But without a definite answer as to what caused the problem, Red …Keep reading