A chemical plant near the flooded city of Houston is expected to explode or catch fire in the coming days. During heavy rainfall from Hurricane Harvey, the Arkema plant at Crosby lost refrigeration of chemical compounds which need to be kept cool, and there is no way to prevent a possible fire, the company said. ...The Arkema chemical plant shut down its production on Friday, before the storm made landfall. But 40in (102cm) of rainfall in the area flooded the site and cut off its power, the company said in a statement. Backup generators were also flooded. The facility manufactures...