By late Monday, emergency crews had switched to recovery operations after halting rescue efforts.
One of the dead was the operator of one of the trains, transit authority officials said. The National Transportation Safety Board was investigating.
The crash occurred just before 5 p.m. on an above-ground track in the District of Columbia near the border with Takoma Park, Maryland.
Both trains were on the same track, and one of them was stationary when the crash happened, said John Catoe, Metro general manager. (more… )