With the supports gone, another section of the wall collapsed.

A large section of the main street collapsed into the caves during the 20th century.

An 8-by-8-foot section collapsed, and he fell 15 feet to the floor below.

During the September flood, a 42-foot-long section of wall collapsed in his house.

The section that passed under the river has since collapsed, and flooded.

The whole section of the ship would collapse on itself.

Then a section of the floor and wall above the place where the door had stood collapsed.

At the least false movement a whole section would collapse.

A section of the roof also collapsed into the fire area.

In 2008 a section of the wall collapsed and had to be repaired.