chris gordon, news 4. >>> right now at 6:00, terror in boston, the fbi has already received thousands of tips, but still no suspects. agents want to know if somebody saw anybody carrying a hidden bag in the area. >> i'm doreen gentzler, here is the very latest on the bombing in boston. we now know what was used to cause mass chaos at the marathon in boston. the explosives were put in duffle bags and placed on the ground. the explosives had shards of metal and bal

news 4's chris gordon shared the moments with them. >> reporter: good evening, 40 members of the montgomery county road runners are back from the boston marathon, safe and sound. but some came very close to the bombs. for doug watt of gaithersburg it was his sixth boston marathon. he just crossed the finish line when it happened. >> i heard this boom, turned around and saw smoke. and then we saw the second boom, heard it and saw it. >> reporter: doug's wife was seated in the viewing stand at the finish line, directly across from the explosions. she is too upset to talk. doug said she thought at first it was trouble with the electric timer at the finish line. >> she thought maybe there was an electrical system, when the smoke cleared she realized it was not at the electrical lines. >> it sounded like two canons. >> reporter: she is back in bethesda, hurting from soreness. she finished just before the bomb blasts, fighting exhaustion and running to the finish line, rather than slowing down the last mile. >> had i walked i would probably have been right there when it happened. and that is terr

. >> chris: 24 laps to go in texas. that is car 24. jeff gordonarea after running third. what happened, krista? >> krista: well, he came on radio and thought it was a flat left-front tire. he said he knew that was where the problem was. when came in the tire looked fine. the left-front hub was completely burned up. >> mike: gordon out of race. as he turned to the garage dale earnhardt, jr. came down pit road for another stop. out front, martin truex. there is kyle busch who cutted lead to 1.1 seconds. >> darrell: hold the phone. the 18 is closing. the last couple of laps made up a couple of tenths a lap. he is coming. >> larry: it was 2.5 tenths on the last lap. may have listened to what dave rogers said. save your tires. maybe he saved enough tires and now going to stand on the gas. >> mike: 15 cars on the lead lap. back to clint bowyer as we get down to the closing stages of the second 500-mile race of the season. there is the progression. >> darrell: we saw martin truex last year at kansas dominate that race. no way he could lose. the best car

chris lawrence reporting from the pentagon with that breaking news. "outfront" tonight, gordon chang. we'll be joined by retired general cedric layton in a moment. let me start with you. this report that came out today saying that north korea can put nuclear material into a missile. tonight an administration official to cnn trying to say that they don't believe the weapons have been tested and they haven't been fully developed. but how significant is this possible development? >> we knew all along that they would be able to do this at some point. i mean if it's not now, it will be a year from now. so you know, when we look at this, this is a predictable development. of course, it's significant. marrying a nuclear device to a long range missile means they can reach out and cause great devastation and even worse. you know, they can threaten to do this. and that's why i think that year's crisis is worse than before. yeah, there is a lot of internal reasons peculiar to the regime but also because they now have more capability. so they now feel they can threaten more. next year the

guy who scored the goal, chris wondolowski finds net and ties wondolowski for third most goals in the history of the mls, but a training moment in the second half for both gordonide to change shoes or "boots" as they are known in soccer. cory hertzog with the tieing goal. 2 win, 2 losses and 2 ties and they are in 3rd place, tied in western conference. >>> the women's college basketball team at cal is unchartered territory. the bears bay louisville their first-ever final 4 appearance and cal is sporting the record of 32-3. lindsey got leib team as won the western regional, beating the georgia team in the finals that nothinged off stanford. so far the bears have not been overwhelmed by the moment. >> i think the easiest thing has been to be how we have been all year and the team's philosoph is enjoying every moment that we can, being together and being with this team and then, at the same time, focusing on that. i think coaches that don't do that all year, how do you handle the madness? that is what we do all the time, but just on a larger scale. >>> golf's first major of the season is next weekend at alla, national. the texas open in san antonio is a tune-up.