1.   And in August a propane explosion flattened a two-story office building, killing five.

2.   He too said a propane explosion was also a possibility.

3.   A propane explosion at a Coca-Cola bottling plant shattered windows in businesses and homes within a half-mile, and caused minor injuries, fire authorities said.

4.   A propane explosion heavily damaged a high school in southeastern South Dakota Friday evening, injuring at least two men and trapping another, authorities said.

5.   A propane explosion heavily damaged a high school in southeastern South Dakota Friday evening, police said.

6.   A propane explosion heavily damaged a high school in southeastern South Dakota Friday evening, injuring at least two people and trapping another, authorities said.

7.   A propane explosion and fire in a cooking tent at a religious gathering injured eight people, including six who were hospitalized in critical condition with severe burns.

8.   A propane explosion leveled a high school in southeastern South Dakota Friday evening, police said.

9.   A fire which broke out after the propane explosion was brought under control.