Red-hot Monza: Scorching track temperatures threaten power units at Temple of Speed
What happened
Formula 1 arrives at the legendary Autodromo Nazionale Monza this weekend, and the weather looks set to turn the historic "Temple of Speed" into an absolute pressure cooker. After the unpredictable drizzle and fluctuating track temperatures that reshuffled the pack in the Netherlands, teams and drivers heading into the Italian Grand Prix can leave their intermediate tyres packed away in the garage.
Summary assembled by rule from the sources below