Analysis of information sources in references of the Wikipedia article "Sergey Sirotkin" in English language version.
Sirotkin had an engine oil leak, while Stroll suffered a brake failure.
The decision promotes Sergey Sirotkin to fourth and also elevates Artem Markelov, Nobuharu Matsushita, Luca Ghiotto and Ralph Boschung, who now claims the final point in eighth place.