A Metro train filled with smoke on Monday, Jan. 12, 2015. One person died. More than 80 people had to…
This photo provided by the National Transportation Safety Board shows damage from the arcing incident in the tunnel near L’Enfant Plaza Station Monday.
(Courtesy NTSB)
Courtesy NTSB
This photo provided by the National Transportation Safety Board shows damage from the arcing incident in the tunnel near L’Enfant Plaza Station Monday.
(Courtesy NTSB)
Courtesy NTSB
Firefighters begin to remove cones from the scene after people were evacuated from a smoke filled Metro subway tunnel in Washington, Monday, Jan. 12, 2015. Metro officials say one of the busiest stations in downtown Washington has been evacuated because of smoke. Authorities say the source of the smoke is unknown.
(AP Photo/Jacquelyn Martin)
AP Photo/Jacquelyn Martin
A man with a tie that says “Police Line Do Not Cross” waits in a triage line after being evacuated from a smoke filled Metro subway tunnel in Washington, Monday, Jan. 12, 2015. Metro officials say one of the busiest stations in downtown Washington has been evacuated because of smoke. Authorities say the source of the smoke is unknown.
(AP Photo/Jacquelyn Martin)
AP Photo/Jacquelyn Martin
Officers secure the entrance to LEnfant Plaza Station in Washington, Monday, Jan. 12, 2015, following an evacuation. Metro officials say one of the busiest stations in downtown Washington has been evacuated because of smoke. Authorities say the source of the smoke is unknown.
(AP Photo/Manuel Balce Ceneta)
AP Photo/Manuel Balce Ceneta
A firefighter sets up a triage area as people are evacuated from a smoke filled Metro subway tunnel in Washington, Monday, Jan. 12, 2015. Metro officials say one of the busiest stations in downtown Washington has been evacuated because of smoke. Authorities say the source of the smoke is unknown.
(AP Photo/Jacquelyn Martin)
AP Photo/Jacquelyn Martin
Metro Transit Police officers secure the entrance to LEnfant Plaza Station in Washington, Monday, Jan. 12, 2015. Metro officials say one of the busiest stations in downtown Washington has been evacuated because of smoke. Authorities say the source of the smoke is unknown.
(AP Photo/Manuel Balce Ceneta)
AP Photo/Manuel Balce Ceneta
Metro Transit Police officers secure the entrance to LEnfant Plaza Station in Washington, Monday, Jan. 12, 2015, following an evacuation. Metro officials say one of the busiest stations in downtown Washington has been evacuated because of smoke. Authorities say the source of the smoke is unknown.
(AP Photo/Manuel Balce Ceneta)
AP Photo/Manuel Balce Ceneta
A man coughs and spits as he is evacuated from a smoke filled Metro subway tunnel in Washington, Monday, Jan. 12, 2015. Metro officials say one of the busiest stations in downtown Washington has been evacuated because of smoke. Authorities say the source of the smoke is unknown.
(AP Photo/Jacquelyn Martin)
AP Photo/Jacquelyn Martin
An FBI Medic, center, helps people onto a bus after they were evacuated from a smoke filled Metro subway tunnel in Washington, Monday, Jan. 12, 2015. Metro officials say one of the busiest stations in downtown Washington has been evacuated because of smoke. Authorities say the source of the smoke is unknown.
(AP Photo/Jacquelyn Martin)
AP Photo/Jacquelyn Martin
Coughing people are taken onto a bus as they are evacuated from a smoke filled Metro subway tunnel in Washington, Monday, Jan. 12, 2015. Metro officials say one of the busiest stations in downtown Washington has been evacuated because of smoke. Authorities say the source of the smoke is unknown.
(AP Photo/Jacquelyn Martin)
AP Photo/Jacquelyn Martin
A woman coughs hard as she and another woman walk past an evacuation of people from a smoke filled Metro subway tunnel in Washington, Monday, Jan. 12, 2015. Metro officials say one of the busiest stations in downtown Washington has been evacuated because of smoke. Authorities say the source of the smoke is unknown.
(AP Photo/Jacquelyn Martin)
AP Photo/Jacquelyn Martin
Coughing people are sorted for triage needs after being evacuated from a smoke filled Metro subway tunnel in Washington, Monday, Jan. 12, 2015. Metro officials say one of the busiest stations in downtown Washington has been evacuated because of smoke. Authorities say the source of the smoke is unknown.
(AP Photo/Jacquelyn Martin)
AP Photo/Jacquelyn Martin
A firefighter attends people on a bus to assess triage needs after people were evacuated from a smoke filled Metro subway tunnel in Washington, Monday, Jan. 12, 2015. Metro officials say one of the busiest stations in downtown Washington has been evacuated because of smoke. Authorities say the source of the smoke is unknown.
(AP Photo/Jacquelyn Martin)
AP Photo/Jacquelyn Martin
Reynaldo Hernandez holds a cloth over his smoke covered face as he coughs deeply after being evacuated from a smoke filled metro subway tunnel in Washington, Monday, Jan. 12, 2015. Metro officials say one of the busiest stations in downtown Washington has been evacuated because of smoke. Authorities say the source of the smoke is unknown.
(AP Photo/Jacquelyn Martin)
AP Photo/Jacquelyn Martin
Metro Transit Police officers, secure the entrance to LEnfant Plaza Station in Washington, Monday, Jan. 12, 2015. Metro officials say one of the busiest stations in downtown Washington has been evacuated because of smoke.
(AP Photo/Manuel Balce Ceneta)
AP Photo/Manuel Balce Ceneta
Metro Transit Police officers, secure the entrance to LEnfant Plaza Station in Washington, Monday, Jan. 12, 2015. Metro officials say one of the busiest stations in downtown Washington has been evacuated because of smoke.
(AP Photo/Manuel Balce Ceneta)
AP Photo/Manuel Balce Ceneta
A Metro Transit Police officer walks up the escalator at LEnfant Plaza Station in Washington, Monday, Jan. 12, 2015, following an evacuation. Metro officials say one of the busiest stations in downtown Washington has been evacuated because of smoke. Authorities say the source of the smoke is unknown.
(AP Photo/Manuel Balce Ceneta)
AP Photo/Manuel Balce Ceneta
People walk past an exit to the L’Enfant Metro stop, with the U.S. Capitol in the background, after smoke filled the subway tunnel in Washington, Monday, Jan. 12, 2015. Metro officials say one of the busiest stations in downtown Washington has been evacuated because of smoke. Authorities say the source of the smoke is unknown.
(AP Photo/Jacquelyn Martin)
AP Photo/Jacquelyn Martin
A woman is transported in a wheelchair onto an ambulance bus as people are evacuated from a smoke filled Metro subway tunnel in Washington, Monday, Jan. 12, 2015. Metro officials say one of the busiest stations in downtown Washington has been evacuated because of smoke. Authorities say the source of the smoke is unknown.
(AP Photo/Jacquelyn Martin)
AP Photo/Jacquelyn Martin
A couple holds hands as the man coughs while speaking with a firefighter after people were evacuated from a smoke filled Metro subway tunnel in Washington, Monday, Jan. 12, 2015. Metro officials say one of the busiest stations in downtown Washington has been evacuated because of smoke. Authorities say the source of the smoke is unknown.
(AP Photo/Jacquelyn Martin)
AP Photo/Jacquelyn Martin
No Yellow Line, but all other rail lines are open to L’Enfant Plaza, WTOP’s Kristi King reports. The Yellow operates as Blue via Rosslyn.
(WTOP/Kristi King)
WTOP/Kristi King
A day after a tragic Metrorail incident, there weren’t as many people at L’Enfant Plaza on Tuesday.
(WTOP/Nick Iannelli)
WTOP/Nick Iannelli
On Monday, a Yellow Line train stopped in a tunnel not too far from the L’Enfant Plaza Metro station. An electrical problem filled the station with smoke.
(WTOP/Megan Cloherty)
WTOP/Megan Cloherty
Jeff Marion (above) was on his way to Alexandria when the train he rode on filled with smoke. On Monday, a Yellow Line train stopped in a tunnel not too far from the L’Enfant Plaza Metro station. An electrical problem filled the station with smoke.
(WTOP/Megan Cloherty)
WTOP/Megan Cloherty
On Monday, a Yellow Line train stopped in a tunnel not too far from the L’Enfant Plaza Metro station. An electrical problem filled the station with smoke.
(WTOP/Megan Cloherty)
WTOP/Megan Cloherty
On Monday, a Yellow Line train stopped in a tunnel not too far from the L’Enfant Plaza Metro station. An electrical problem filled the station with smoke.
(WTOP/Megan Cloherty)
WTOP/Megan Cloherty
A Metro train filled with smoke on Monday, Jan. 12, 2015. One person died. More than 80 people had to be taken to hospitals. The National Transportation Safety Board is investigating.