Five people, some believed to be children, have been injured and taken to hospital after an inflatable slide was blown away in Ripley in North Yorkshire.
A North Yorkshire Police spokesman said: "Officers have seized the slide and investigations are continuing at the scene.
"The Health and Safety Executive have been informed and are also attending the scene of the incident."
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A murder investigation is underway in Rotherham following the death of a teenage girl.
Police say that unless one outstanding line of enquiry provides a breakthrough, the investigation will be scaled down next month.
South Yorkshire Police are continuing to question an 18-year-old man on suspicion of murder following the death of a teenager yesterday.