The fierce storm that whipped through San Francisco Tuesday is now suspected of triggering failures of as many as 20 or more windows of the Salesforce Tower as well at least one window at the nearby Millennium Tower high-rise, prompting closure of a stretch of Mission Street overnight as a precaution, city officials said.
The Mission Street window failures came hours after a window blew out between the 13th and 14th floor of the high-rise at 50 California Street. The area immediately around that building was secured as a precaution and no one injured. That failure came a week after a 43rd floor window failed in an earlier storm at the former
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