The head of the UN’s agency tasked with delivering a mine-free world has warned of the spiralling dangers for civilians and humanitarian workers in conflicts around the world.

Agnès Marcaillou, who’s the director of the United Nations Mine Action Service, or UNMAS, said that there is an intensity of fighting “that we have not faced before” .

Speaking on the opening day of a major conference at the UN in Geneva to coordinate international de-mining strategy, Ms Marcaillou explained to Daniel Johnson how much her agency's remit had evolved because of the changing face of modern warfare.

Duration: 4’34”