Woman dies after smoke fills busy subway station during rush hour

1 dead & 84 hospitalized after heavy smoke engulfs a carriage & a platform at a Washington D.C. subway station. pic.twitter.com/2vAUZRFVcn

— CGTN (@CGTNOfficial) January 13, 2015

The transit network in the US capital has been crippled by an electrical malfunction that filled a busy subway station with smoke, killing one woman and sending dozens of people to hospital.