When King Maha Vajiralongkorn of Thailand acceded to the throne upon his father's death in 2019, he became the wealthiest ...

Although Luxembourg isn't a large country and its royals might not be as famous, they have amassed quite a lot of wealth.

The situation has created one of the world's worst humanitarian crises ... who has studied the influence of these Gulf monarchies in Sudan, unpacks the implications of their intervention.