Honda hint Fernando Alonso deliberately pulled out of Belgian Grand Prix

Fernando Alonso's troubled relationship with Honda is facing fresh scrutiny after McLaren's Japanese engine partner hinted he may have retired from the Belgian Grand Prix on purpose.

Alonso, the 36-year-old two-time champion who is out of contract with McLaren at the end of the season, cut an increasingly frustrated figure throughout Sunday's race at Spa-Francorchamps.