The family is being supported by specialist officers.
According to Sky News, eyewitnesses heard a bang as the inflatable attraction "exploded", sending the youngster 20ft into the air.
The East of England Ambulance Service spokeswoman said: "The young female was seriously injured and in cardiac arrest on our arrival, and was conveyed to James Paget Hospital".
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Sweden are also unchanged as they bid to upset the odds and secure qualification despite defeat to Germany in their last match. France and Uruguay were the first teams to reach the quarterfinals, and they'll meet on July 6.
A little girl has died in a tragic accident when the bouncy castle she was playing in exploded, flinging her 20 feet into the air.
In an incident which started as fun and ended as a tragedy, a young girl died after a bouncy castle on a beach exploded.
She was rushed to hospital but was sadly pronounced dead.
A growing number of teddy bears and bunches of flowers have been left against a metal perimeter fence encircling an area of the beach where the deflated inflatable is still in place.
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Amazon's dependence on services like USPS, UPS and FedEx, which now deliver the bulk of its packages, also has downsides. It's unclear if Amazon will cut back on its postal deliveries in favour of its own and how quickly that could happen.
A joint investigation between the Health and Safety Executive, police and Great Yarmouth Borough Council is under way.
Summer Grant, from Norwich, was seriously injured when the inflatable was sent "cartwheeling" 300 yards down a hill in Essex in March 2016.
In the 2016 case of Summer Grant's death, a married couple who worked the fairground, William and Shelby Thurston, were jailed for three years after they being found guilty of manslaughter by gross negligence and of a health and safety offense, PA reported.
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After the incident, Police and National Disaster Management Response Force (NDRF) rushed to the spot to rescue people. The 28-seater bus was carrying 59 passengers, police said, adding a probe will determine the reason of the accident.
An inquest jury in May 2010 ruled the deaths of two County Durham women, who were killed when an inflatable artwork blew away, were accidental.