Motor racing driver and girlfriend both die from mystery illnesses after trip together
![Motor racing driver and girlfriend both die from mystery illnesses after trip together](https://i2-prod.dailystar.co.uk/incoming/article30273055.ece/ALTERNATES/s615/1_Newsflash-BrasilCouples-01jpeg.jpg)
Racing driver Douglas Costa - who was competing in the AMG Cup Brasil - and his girlfriend, Mariana Giordano, have both passed away after they developed a mystery illness