After taking part in the Indianapolis 500, Fernando Alonso has said he is ready to return to his “day job” as a Formula 1 driver.
McLaren executive director Zak Brown says he has "serious concerns" over whether they can win the world championship with engine partner Honda.
Fernando Alonso says he will leave McLaren-Honda at the end of the year if he sees no signs of improvement by September.
Mercedes driver Lewis Hamilton finished narrowly ahead of title rival Sebastian Vettel in the opening free practice session for the Canadian Grand Prix.
Sebastian Vettel finishes quickest in final practice for the Canadian Grand Prix.