Other Bosnian Serb officials said they were hastily building barricades and trenches to defend the city.

"How the hell did they build all these tunnels and trenches in the first place?"

The English took possession of the fort and built trenches all around it.

They also built redoubts and trenches east of the fort to impede further any attack via land.

But while they were building trenches for themselves the Kurds were destroying them with guns.

Both sides, temporarily exhausted after heavy casualties, start to build trenches and dig themselves in.

We have built trenches and fortifications for eighteen miles around Alesia.

We have built trenches and scarps twenty feet high and innumerable palisades.

The Confederates built earthworks and trenches in the town, covering the remains of several burnt structures except for the church.

They also built trenches to help protect themselves from a possible Chinese counter attack.