them, and if they can't do that, then at least send weapons and humanitarian support. so, from one murky incident comes the potential to further escalate this ongoing crisis, victor. >> all right. phil black reporting for us in donetsk, ukraine. thank you. happening today in boston, 36,000 runners will take to a familiar course one year after terror tomorrre apart the finis line at the boston marathon. some are elite athletes who run for a living, but others are there to support those hurt in the bombing. security will be tight, no signs or banners allowed, no backpacks either. marathon officials insist it will be the safest place on the planet. >> i have no reservations at all. i'm not concerned about my personal safety. the only reservation is the same reservation i have every time i stand at the starting line of a marathon, and that's, wow, 26.2 miles is a long way. i hope i can finish. >> and coming up in our next hour, we're going to go live to the marathon's starting line.