It was his duty to guard the border of the New Power toward the east.

To guard the border between tribal and settled area.

British troops who guard the border were on the scene within minutes and evacuated the injured to a nearby military hospital.

Two army divisions, or about 40,000 soldiers, guard the border with Pakistan.

In winter they had to guard the border in slippers.

And these people, they are all you have here, guarding the border?

A defence secretary who fails to guard the border between his private and public life.

An elite Dutch unit has been set up to guard the southern border of the city.

He served for many years in the forces guarding the southern border of the province.

It is a mission that one outside officer described as "guarding the border and trying not to get killed."