Riders applauded race control's decision to cancel Friday practice. (Photo: Getty Images)

Riders applauded race control’s decision to cancel Friday practice. (Photo: Getty Images)

Leading riders including nine-time world champion have supported the decision to cancel Friday practice for the Japanese Grand Prix on safety grounds.

Low cloud cover and poor visibility prevented the medical helicopter from flying in to the Twin Ring Motegi Circuit, leaving race officials with no option.

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