A six-year-old girl suffered severe burns when a firework shot out of control and landed in her hair.
The girl was sitting watching fireworks in the back garden of her Brighton home when the Roman candle flew towards her.
She was taken to the Royal Sussex County Hospital, then the Royal Alexandra Hospital then a specialist burns unit at the Queen Victoria Hospital in East Grinstead, where she is due to return today.
Brighton and Hove City Council is investigating what went wrong with the firework, imported by Herefordshire firm Fireworks Factors.
Senior trading standards officer Nigel Haines hopes to test the £6.99 firework early next week.
John Nicholls, managing director of Fireworks Factors, said: "We've retested our products and everything has come up to standard. We are still investigating."
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