Thailand’s Crown Prince Maha Vajiralongkorn is set to become the nation's new monarch following the death of his father King Bhumibol Adulyadej on 13 October. But unlike his father, 64-year-old Vajiralongkorn is not a popular figure in the country, having achieved notoriety for his eccentric 'playboy' lifestyle. Ahead of his succession to the throne, here is everything you need to know about Thailand's next king.