| Users of the slide descend in a raft |
A 10-year-old boy has died on a waterslide, billed as the world's biggest, in the US state of Kansas.
| The slide drops 52 metres in its initial descent |
"We honestly don't know what's happened," Schlitterbahn spokeswoman Winter Prosapio said. "That's why a full investigation is necessary. We have to understand what's happened."
The boy was identified by his family as Caleb Schwab, the son of a state politician, Scott Schwab.
The park's website says all users of the Verrueckt must be at least 54in (1.37 metres) tall and the combined weight of people in the raft must be between 400 and 550 pounds (181-249kg).