DOZENS of teenagers marauded down Whiteladies Road, stealing goods from the Esso garage on Blackboy Hill before continuing down the road, causing cars to swerve and pedestrians to hide in restaurants.
The large group are believed to have spent Saturday evening at travelling theme park Funderworld on the Downs.
After leaving the funfair when it closed at 9pm, the children first went to the Esso garage a few hundred yards from the fair's exit.
Filling the small store for less than three minutes, they helped themselves to anything they could get their hands on while garage staff looked on helplessly before phoning the police.
The group then continued on their way, running into the road, shouting and swearing.
Eyewitness Rebecca Martin, 27, a doctor from Richmond Dale, Clifton, was on her way to have dinner with a friend when she saw the youngsters coming down the street "like a herd of stampeding wildebeest".
She said: "We saw two cars having to swerve. There could have been a really nasty accident.
"I had never seen anything like it. We felt quite intimidated.
"All of them seemed to have things, there was no way you could stand in their way. There were so many of them. It was absolute chaos.
"It would have been quite a spectacle if it wasn't so scary. It almost looked like a rampage.
"I was really embarrassed because I had my friend with me who's not from Bristol. I had to say to her that this thing doesn't normally happen around here and that these people were certainly not from around here either."
Geraldine Fucci, owner of Renato's Numero Uno restaurant, also saw what happened.
She said: "They were shouting and spitting. All the customers saw them and heard them.
"The funfair tends to attract a rough crowd from a different area of Bristol and it always seems to bring trouble."
Five youngsters went into Threshers to try to buy cider, but the sale was refused by assistant manager Pavel Josifek because none of the group had identification.
Mr Josifek, 36, said: "They were all very rude to me. I was quite scared because they were being quite aggressive and swearing at me.
"When they left the shop they continued shouting from outside. I was expecting them to come back but fortunately they didn't."
Mike Chubb from Funderworld said: "There's always a minority of idiots who like to cause trouble. We cannot be responsible for things that happen outside Funderworld."
Avon and Somerset police are appealing for information from anyone who saw the hooded youths, who were all black and aged between 13 and 16, enter the Esso garage soon after 9pm on Saturday evening.
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