The fire is under control after a cargo train derailed in the 7500 block of Lake Drive in Rosedale on Tuesday afternoon, officials said. Wednesday, investigators from the National Transportation Safety Board are going back to the Rosedale section of Baltimore County. Around 2:00 p.m. Tuesday, 15 cars of a 45-car CSX train carrying chemicals derailed and exploded. Two cars caught on fire. One person was seriously hurt in the wreck.