61.   He has been blamed by some Asian politicians for causing the collapse of regional currencies.

62.   He said the attacks could cause a collapse of preliminary peace talks slated next week.

63.   Hoffman said authorities had not determined what caused the collapse.

64.   Investigators were trying to determine what caused the collapse.

65.   Initial investigation revealed that a water leakage caused the collapse.

66.   Investigators were trying to determine if the building had undergone any unauthorized restructuring which could have caused the collapse.

67.   Irretrievable loans, extended in defiance of financial laws, have caused the collapse of nine banks last year.

68.   It said sea water began rushing into the tunnel, causing the collapse.

69.   It was not clear what caused the collapse, the second in Egypt this week.

70.   It was not immediately clear what caused the collapse, government officials said.