My other son, Adam, said he saw him pick up something like a brightly coloured bottle and it exploded. Of course this is very attractive for a child to pick up.

I am sure no one, whatever their position as a politician, can give us an answer as to why my son was killed by a cluster munition.

By telling my story to more and more people, I am trying to find a way to ban cluster munitions worldwide. It is the responsibility of politicians to protect the rights of all children.

In the future, when the wars are over, the armies leave, and peace finally reigns, the cluster bombs will remain behind as a testament to the ugliness of humanity.