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65-year-old is believed to be unhappy with events this season
Dutchman finished 12.535sec ahead of the Mexican Perez with Ferrari’s Sainz third
Triple world champion reiterated that he could walk away from Formula One when his Red Bull contract expires
The reigning world champion could face a stiffer challenge if Sainz's victory in Melbourne is anything to go by
Investigation dismissed complaint made by female employee
Team boss was charged with inappropriate behaviour towards a female employee before being cleared
Team principal believes investigation will exonerate him
Dutch newspaper broke news of the allegation at the start of the week involving the man at the head of the team
Last year he joined the Red Bull-owned AlphaTauri team
Veteran drivers reject reports they are being considered to replace Perez next season