response in west africa tonight on world news with dave muir, that is 6:30 directly after "action news" at 6:00. >>> and amtrak met with delays once an accident knocked out wires in maryland. it caused problems for passengers at 30th street station today. john rawlins live with the story. >> reporter: a lot of upset southbound passengers that is for sure. that accident occurred overnight in maryland, it shut down the northeast corridor at that location, all three tracks, 12 hours later they were able to bring back one of the tracks and we have limited service, and as you take a look here things are better at 30th street, there are some delays and cancellations southbound. the first southbound regional train finally departed philadelphia at 2:00 p.m., train 171. stranded passengers grade grateful to be aboard. >> i am grateful to be on board this one. >> a frustrating day for amtrak staff and thousands of passengers, the cause of the shut down, a 2 a.m. accident that wiped out power in southern maryland. >> a train was carrying a wide load and struck a support pole that holds the overhe