The Thai island of Koh Phangan, where 22-year-old Stephen Ashton is believed to have been killed in crossfire between rival gangs, is a popular party destination for tourists.
It is famous for its monthly Full Moon parties on Haad Rin Beach which draw thousands of tourists, especially at this time of year.
More top news
Paul Manafort was Trump's campaign manager from March until August 2016.
A tongue-in-cheek guide for passengers affected by the electronic hand luggage ban, by a Middle Eastern airline.
Police are treating the death as suspicious and a post-mortem examination is due to be carried out.