The 2018 Brazilian Grand Prix nearly had one last twist in the tale after it emerged on Sunday night that eventual race winner Lewis Hamilton came close to a complete engine failure in the final few laps.
Hamilton started from pole position but lost the lead of the race on lap 40 when Max Verstappen breezed past him on a superior strategy. He gained it back four laps later when the Red Bull tangled with backmarker Esteban Ocon, but what wasn't obvious at the time was that Hamilton's engine temperatures were sky-rocketing and the whole power unit was close to a complete failure.