31.   Four firefighters were trapped when the main floor collapsed after a huge explosion, but flames up to two stories kept their colleagues from saving them.

32.   If one or two floors collapsed, it would have created a pancake effect of one massive floor caving into the next.

33.   However, she said the rabbi did not say he was certain why the floor collapsed.

34.   In the building to the right, the bottom two floors collapsed.

35.   On Monday two Indonesians died and two others were injured when the fourth floor of a clubhouse that was under construction collapsed.

36.   One four-story apartment building collapsed completely and the bottom two floors of another collapsed.

37.   The floor collapsed about five minutes later.

38.   The gas explosion Monday killed at least seven people when three bottom floors of the apartment building collapsed, according to police sources and Polish state television.

39.   The floor apparently collapsed under the weight of the people, said John Blatt, mayor of the nearby island resort village of Put-In-Bay.

40.   The floor collapsed under a crush of bargain hunters Thursday in a store in southern Spain, sending dozens of shoppers and piles of debris plunging into the basement.