FREE newsletter is just champion! Get the biggest and brightest stories sent straight to your inboxA dad has been left heartbroken after his healthy son died from a blood clot after staying inside and playing video games during lockdown.Football coach, Louis O’Neill, 24, died from deep vein thrombosis after spending most of lockdown indoors, with little exercise.His distraught father posted a heartbreaking tribute warning others about the dangers of staying indoors.