adam: agoston nemeth's footage captured the seething blaze.ide the ammonium nitrate, and a series of small explosions became a crescendo. then, the first big explosion. and finally, catastrophe. [explosion] agoston: i don't even know if i jumped or the wave pushed me, but what i noticed the next second is that--or i don't know how long time after, that i was on the floor and my knee was bleeding a bit. i didn't know what just happened. [speaking foreign language] alaa: so, we were seeing the smoke just having lights inside of it. we were hearing some kind of something boiling like it's like the voice of the volcano when that's erupting. [speaking foreign language] [speaking foreign language] alaa: and i was thinking if i need to jump into the water to save myself from this wave coming towards us, and i couldn't even have the time to think twice about it when the wave striked us. [speaking foreign language] adam: at saint george hospital, stephanie yacoub was preparing to deliver a baby. stephanie: so, i came into the delivery ward. there were