1.   And if the slurry walls crack, the Hudson River could flood lower Manhattan.

2.   By then, walls were cracking, beams were bending.

3.   Hahn and the others said repeatedly it is highly unlikely that the walls would crack.

4.   Support walls cracked for lack of basic expansion joints.

5.   That error, which could cause walls to crack, was traced to the incorrect entry of data into a computer.

6.   Walls crack, ceilings break.

7.   Elsewhere in El Salvador and Guatemala, churches collapsed, electricity failed and walls cracked and roads were blocked by landslides.

8.   More walls cracked and a fissure on the floor ran almost all the way down the middle of the church.

9.   She watched the walls crack, the ceiling break and like uncounted others she fled to the streets.

10.   The walls cracked and the windows shattered.