31.   The location of the residue only underscored the belief by investigators that the blast occurred in this central section of the plane, probably on the right side.

32.   Tomlin had been talking to his wife on the phone when the blast occurred.

33.   Washburn, blind from birth, was working at a snack stand in the federal building when the blast occurred.

34.   When the blast occurred teachers rushed to the school to try to comfort the students.

35.   When the blast occurred, Ususi said, he thought that the airliner had crashed.

36.   Witnesses have described two men in a motorized rubber dinghy racing to the port side of the Navy ship and standing erect at the moment the blast occurred.

37.   Witnesses suggested the blast may have occurred while they were manufacturing bombs.

38.   Police said bombs had been assembled in the apartment where the blast occurred.

39.   Police said in a preliminary report that the blast occurred after careless workers at a construction site separate from the subway construction ruptured a pipe carrying liquid petroleum gas.

40.   Players from both New Zealand and Pakistan were about to leave the hotel for the cricket ground and the start of the second test match when the blast occurred.