11.   Naveen Bhargawa, a witness, said he was standing on his roof when he saw the plane on fire, then heard a blast.

12.   Perez then turned to go back inside when he heard another blast.

13.   Royals pitcher Tim Belcher just heard the blast.

14.   She heard the blast from her home near the bus stop and rushed to the scene littered with bloodstains, body parts and body bags.

15.   She said her mother was beside her when she awoke upon hearing the blast from the shotgun.

16.   Suddenly, shotgun blasts were heard, screaming people ran helter-skelter and a smoke bomb filled the room.

17.   Then quickly, in fractions of a second, she heard the blast, was knocked unconscious and was blown several yards.

18.   Then she heard the blast.

19.   Two U.S. submarines close to the Kursk heard a blast late Saturday or early Sunday.

20.   Two news photographers had heard the blast and followed the course of the tragedy.