The national zoo authorities had earlier said the hippo was stabbed and beaten by unknown assailants.
Preval was the only democratically-elected president in Haiti to serve two separate full terms.
The American socialite took the photograph while on Sir Richard Branson's Necker Island.
A selection of photographs, covering a variety of topics from current events to animals, festivals and sport.
Winner will be awarded €100,000 to devote to a project of their choice.
Two high school girls and a third teenager were killed in Brentwood in 2016.
The team analysed urine levels in 31 swimming pools and hot tubs - the results are pretty distressing.
Local media claim a sign posted near the bodies read: 'You want a war, you'll get a war'.
After the ordeal, Dr Sardar Ahmad returned to Canada and said he had no interest in entering the US.
Police said they would arrest anyone involved in the tournament which included 240 competitors, some 9-years-old.
She was attacked by four people led by a man, who is said to be an evangelical pastor.
The $270m project was launched amid calls to remove the Trump name from the property.
The upper level of a huge float collapsed during the second night of Rio de Janeiro's world famous carnival parade, injuring at least 12 people.
While that's going on, Edward's enjoying Bermuda.
Much-loved animal suffered sustained beating with sharp weapons and blunt tools.
A selection of shortlisted images in the Open competition of the Sony World Photography Awards 2017.
The Sony World Photography Awards represents the world's finest contemporary photography captured over the last year, and displays a huge diversity of extraordinary images in terms of genres, styles and subject matter.
Several famous swimming pigs from Exumas, Bermuda have been found dead in the last week.
Paraiso de Tuiuti float crashed into a fence that separates the stands from the pavement, injuring spectators, revellers and journalists.