Glasgow's youth teams may be Scotland's most notorious, but Edinburgh has its own ugly reputation for street gangs.
Through the years, gang culture among a section of the city’s youth has shifted from pitched battles at travelling fairgrounds to YouTube videos boasting of their loathsome antics online.
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And some of the city's most high-profile criminals graduated from the ranks of the city's street gangs, including the infamous George Buchanan.
A member of Young Niddrie Terror since his teens, he was convicted in 1974 of the attempted murder of a rival and again in 1987 for his involvement in the theft of heroin from the MacFarlan Smith factory in Gorgie.