Washington's Metro subway system will operate on a modified and reduced schedule following an accident that killed one passenger and sent dozens to hospitals with smoke inhalation.

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Washington’s Metro subway system will operate on a modified and reduced schedule following an accident that killed one passenger and sent dozens to hospitals with smoke inhalation.

Metro says the yellow line won’t operate Tuesday morning. It was a yellow line train that was evacuated after smoke filled a tunnel near the busy L’Enfant Plaza station Monday afternoon.

In addition, trains will run less often Tuesday morning on the blue, orange and silver lines. The green line, which goes through L’Enfant Plaza, will be on a normal schedule, as will the red line.

The fatality on board the train Monday was the first on the Metrorail system since a crash between two trains in 2009 that killed eight passengers and a train operator.