Hamilton had been prepared to boycott the Miami Grand Prix over the clampdown but was convinced to continue following talks
Follow all the F1 updates and latest news ahead of the first Miami Grand Prix
Masi was fired from his Formula One post in February after being held responsible for Hamilton missing out on an eighth world title in Abu Dhabi last year - a dismissal that was a win for Mercedes.
Mercedes are struggling to unlock the potential of their F1 car
Toto Wolff has admitted that Lewis Hamilton was left with a '50-50' decision to change tyres or not in the Miami Grand Prix. The 37-year-old placed sixth as his frustrating season continued.
Angelina Jolie’s recent trip to visit Ukrainian children has reminded her how fortunate she is, according to an insider.
In a defiant Victory Day speech on Monday, Vladimir Putin exhorted Russians to battle for their homeland, but was silent about plans for any escalation.
Mercedes have identified porpoising as the key issue to be solved
While both drivers have endured tough starts to the season, it is the seven-time world champion who trails his younger teammate in the standings after five races
Lewis Hamilton and George Russell were again left unable to challenge Red Bull and Ferrari in Miami
Race engineer Peter Bonnington asked the driver whether he wished to take on new tyres during a late safety car.