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CCTV shows the moment a ceiling panel came crashing down, nearly hitting a commuter at a subway station in Cambridge, Massachusetts.The Massachusetts Department of Transportation (MBTA) said the panel was installed in the 1980s, and weighed about 11kg (25 lbs) because of moisture build-up.No injuries were reported, and the MBTA said it had now removed any other panels from the station that posed an immediate safety concern. It also announced it would carry out inspections on panels in all of its stations.