This has not happened.
In one of the American Federal highways in Texas (USA) was the accident of the truck with the pigs and will broke 195 four-legged, blocking the whole road.
In Texas overturned truck with pigs, after the car drove into a bump. In the end, on the road the stopper was formed.
Police had to shut all the way, to catch 195 pigs that ran away in different directions.
Later part of the pigs caught as much as a mile from the scene of the accident. Others ran for several hours.
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