The Guardian view on weapons that wait: clear them now

Unexploded munitions, landmines and improvised devices kill thousands of civilians annually. They must be removed for communities to recoverThe evacuation of 50,000 people from Hannover this weekend, following the discovery of five unexploded second world war bombs, reminds us that conflicts can have a deadly impact long after the fighting ends. But while the German city’s residents have been inconvenienced briefly, millions of people around the world have been displaced for the foreseeabl