FILE - In this July 15, 2017 file photo the Marco Polo building is shown after a fire the day before gutted several of the top floors of the residential high-rise in Honolulu. Across the United States, there is a mixed bag of laws on whether older high-rise apartment buildings must install fire sprinklers that weren't required when the towers were first built. Many cities _ including New York, Chicago, Dallas and San Francisco _ still have high-rises without the safety measure. Cost is often cited, but after the deadly blaze in Honolulu, many question if the economics outweigh the potential for tragedy. (AP Photo/Marco Garcia, File)
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