Couple die days apart leaving son heartbroken after they are both diagnosed with same disease
![Couple die days apart leaving son heartbroken after they are both diagnosed with same disease](https://i2-prod.mirror.co.uk/incoming/article32807910.ece/ALTERNATES/s615/0_Mark-Stewart.jpg)
Mark Stewart, 53, lost both his parents to debilitating illnesses just three days apart - he now plans to raise money for the charities that stuck by them through a challenging period