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At the time, one of the families told BBC News NI: “Even when we were looking for accommodation, no-one told us that this was a no-go area.”

Prof Andrews says seeing the flag can indicate a "no-go area" for minorities.

Following the exodus of businesses, the CBD became a no-go area with a reputation for crime and violence, and some buildings were reportedly abandoned by owners as rates owed to the council exceeded their value.

And in 2017 she was accused of staging a visit to a so-called "no-go area for women" in Paris.

Community leader Oriyomi Akeem said Slum Party has helped bring peace to a neighbourhood once known as a no-go area overrun by gangs.