Williams driver Lance Stroll has been handed a ten-second time penalty and three penalty points for failing to abide by blue flag rules during the Austrian Grand Prix.
The penalty means Stroll drops from 13th to 14th, promoting his team-mate Sergey Sirotkin.
The incident happened with just four laps remaining, with the Canadian emerging ahead of Force India's Sergio Perez after a late stop for fresh tyres. His Williams team told him to try and stay ahead of Perez, which meant Stroll ignored repeated blue flags, informing him to move over.
"The driver of car #18 admitted he had seen the blue flags, light panels and the light on his steering wheel," a stewards' statement confirmed.
"He stated his team had told him to attempt to un-lap himself but had not advised him to let car #11 pass until almost one lap of flags and lights had been displayed to him.
"The reason for awarding three penalty points is that the issue of blue flags was specifically raised at the Friday night drivers' briefing and confirmed in the race director's notes, in particular the requirement to allow the following car to pass 'at the first available opportunity'.
"In this instance the driver decided to give priority to the team instruction (to un-lap himself) over the regulations and the race director's specific instructions (regarding the blue flag procedure)."
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