Mitsubishi Heavy Industries (MHI) said the fire broke out on the platform carrying the H-2B rocket about three and a half hours before the 5:33 p.m. Eastern scheduled launch of the HTV-8 cargo spacecraft. The statement didn’t identify the cause of the fire or what damage it caused to the platform or the rocket. Neither MHI nor the Japanese space agency JAXA set a new launch date for the mission. Industry sources said they expect the launch to be delayed by at least several days in order to make any repairs to the launch platform and inspect the rocket itself...