Cluster bombs

Nature 
Cluster bombs are composed of 202 small bomblets which are scattered and designed to explode on impact. When they fail to detonate - 5 percent are typically duds - they effectively become antipersonnel mines.
Incidence 
Cluster bombs are often used by U.S. forces. Human Rights Watch estimated in a recent report on Afghanistan that 12,400 unexploded bomblets remain on the ground and have killed or injured 127 civilians since October 2001.
Aggravates 
Type 
(J) Problems under consideration