Revealed: Luke Littler's staggering tax bill after winning the World Darts Championship - with the 17-year-old set to cough up even MORE on the back of pocketing £500,000 prize

Littler is still 17, 18 later this month, and became the youngest-ever winner of the World Darts Championship last week when he beat Michael van Gerwen 7-3 in the final at Alexandra Palace.