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This is the terrifying moment a 'freak tornado' ripped through a park picnic and turned a bouncy castle and inflatable slide upside down .
Footage shows how the sudden gust of wind caused chaos and sent an unsecured inflatable slide and bouncy castle crashing into trees, HullLive reports.
Screams and shouts are heard in the background as panicked families were forced to flee the scene alongside hundreds of attendees.
Witnesses said they had "never experienced anything like that" and were "stunned" as they watched on.