also silver line operating between wheely, reston, and boston only. i can tell you that the ripple effect of this -- i know we've had some people who have tweeted pictures. we've seen incredibly crowded platforms at the downtown stations. now, the main fire department activity, the fire engines, the vehicles that they sent earlier, no longer here. that leads me to believe whatever fire situation talked about earlier that caused the smoke, that's over with. federal center southwest closed here for the rest of the day. when we get more details, we'll bring them to you. live in southwest. >> jackie, can we assume they're providing bus service for those passengers who might ordinarily use those stations? >> reporter: yes, that is absolutely what metro does. we have seen time and time again there is often a lag in communication in telling people where those buses are, where the buses are going, where at the station, how to get to them. i anticipate that is going to be the next wave of this as people try and figure out how to get around this major closure.