1. The cluster bomb, in this case a CBU-87, is dropped from a plane and can fly about nine miles before releasing its load of about 200 bomblets.2. The canister starts to spin and opens at an altitude between 1,000m and 100m, spraying the bomblets across a wide area.3. Each bomblet is the size of a soft drink can and contains hundreds of metal pieces. When it explodes, it can cause deadly injuries up to 25m away.

Cluster bomb ban treaty approved

http://news.bbc.co.uk/2/hi/europe/7423714.stm