A woman and her two children were rescued from their burning car by two off duty firefighters in the US city of Milwaukee.
The accident happened when the car hit a tree and flipped over, trapping the passengers inside.
Amateur video shows brothers Joel and John Rechlitz carrying out the rescue after they were called to help by their wives.
The two men used pipes to break the car's windscreen while the crowd helped pull the woman and her two-year-old daughter to safety.
But her son David Harper remained trapped in his car seat behind a wall of flames.
The four-year-old boy was cut free by the firemen and was taken to hospital where he is in a critical condition after suffering burns to 30% of his body.
Joel Rechlitz described the events and said "once you see a burning child... firefighter or not, you are going to do whatever you can to save that child."
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