 Immediately following the collision , firefighters and paramedics from District of Columbia Fire and Emergency Medical Services were dispatched to the Takoma Metro station , and arrived at the location of the collision soon after . D.C. Fire Chief Dennis Rubin stated that the initial 9 @-@ 1 @-@ 1 emergency calls made the incident seem small , but after firefighters arrived on scene , they dispatched mass casualty incident teams . Within two hours , more than 200 firefighters were on @-@ scene in response to the three @-@ alarm incident . Rescuers worked through the night of June 22 , using cranes and heavy rescue equipment to free trapped passengers and search for bodies . 
