Transcript for Kendal Heath Describes Chaos After Explosions at Boston Marathon
Go to our ABC producer Kendall -- because she was there near the finish line of Boston at the moment those bombs went off. And Kendall I want to bring UN once again describe to us once more exactly what you felt because -- were there in the first seconds. But -- hand out my brother my eyes were watching out right at the corner Hereford and oil industry registered runners -- -- a left for the finish line. And as they are watching all -- need you here. And -- a large explosion and -- white smoke Kirk we'll look back 2030. I go up in the air. Closely -- probably by and seconds later by another bush and I fireball and more like -- The air as -- -- up here and -- realized something was -- And again -- and you had said that the whole air seemed. Suffused with a kind of sulfur smell. It did it -- the wind was blowing -- and it began calling all current and runners were being the first ascent. And very confused not knowing whether it was in the letter about the police quickly -- on the scene and and it's unfortunate that. And was there anyone who came to you and told you what it was how did you learn because you -- One of the bystanders there had to try to figure out what on earth that just happen how did you. Figure out. That this was indeed what was. -- What we heard and you. Police officers are directing everyone off of the street they wanted to clear -- citizen is possible to stop that runner I try to get as many pedestrians off history. But a lot of folks ran toward the explosion trying to help you've heard many -- support the people trying to help those -- And police who are you know why the route -- often. Street Bernard Carrick on anyway completely you know ran right and -- moments later trying to help those -- -- -- -- Kendall -- again. The entire ABC news teams fanned out across the country but we thank you so much for your early. And completely. Vivid and horrifying reports from today thank you.
This transcript has been automatically generated and may not be 100% accurate.