Lewis Hamilton secured his 40th career Formula 1 victory in the Italian Grand Prix despite late drama, as his team-mate and title rival Nico Rosberg retired in the closing stages.
The reigning world champion made a clean getaway to lead away from pole, while Rosberg slipped back to sixth, and front-row starter Kimi Raikkonen fell to the back of the field.
Hamilton dominated the race from there, but with a few laps remaining, he was told by his team that he needed to push without being given a reason for doing so.
Hamilton did as he was told and took the chequered flag with a 25-second lead over Ferrari’s Sebastian Vettel.
After the race Mercedes was referred to the stewards because its tyres were measured below Pirelli’s 19.5psi guideline on the grid just before the race.
Meanwhile, there was more drama for Mercedes as Rosberg’s engine expired with a few laps to go when the German was running third and catching Vettel.
It was the first mechanical retirement for Mercedes this season and comes after Rosberg had to revert to an old engine, which had done six races, after an issue with his upgraded unit.