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In page High-rise building:
"Although Tower blocks are controversial and numerous examples have been demolished, many still remain in large cities. They present a significant fire risk, as modern safety precautions can be prohibitively expensive to retrofit. The destruction of the 24-storey Grenfell Tower in 2017 by fire had been complained about by a local action group several years before the incident, yet remedial work had not been carried out.[2]
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