(CNN) - A panel broke off a water slide on a Royal Caribbean cruise, injuring a guest.

A cruise line spokesperson said acrylic broke off as an adult guest passed through the slide Thursday.

Video taken by another passenger shows the hole in the water slide on the “Icon of the Seas” ship.

Other passengers can be heard screaming “stop the slide!” as water gushes through the hole.

The cruise line said the guest is being treated for his injuries, and the water slide is closed for the rest of the cruise, pending an investigation.

“Icon of the Seas” features six waterslides and seven pools.

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