21.   US staff also expected shortly to start sweeping out of bounds areas of the windswept base for unexploded mines.

22.   NATO troops, deployed in the area, handed out leaflets to those returning warning of unexploded mines and boobytraps.

23.   Nearly five million unexploded mines and shells have been found, according to official figures.

24.   Several unexploded mines were discovered in the area by the troops.

25.   The border area between Iran and Iraq is strewn with unexploded mines and shells dating back to the conflict.