By Jeremiah Hassel All missing people are now presumed dead following the devastating collapse of a huge bridge in Baltimore, US, officials have said. Six construction workers were still unaccounted for 16 hours after the Francis Scott Key Bridge buckled into the river below when a container ship lost power and ploughed into the bridge. The search for their bodies has been suspended, according to Maryland State Police Superintendent Roland L. Butler, with dive crews slated to return to the scene at 6am EDT on Wednesday. Butler noted on Tuesday evening that the search effort is transitioning fr…