Ebola: Three volunteers' diaries from countries 'under siege'

Almost 7000 people across West Africa have now died of Ebola, and the head of the United Nations response mission has said that much more needs to be done to bring it under control.

But what about those who are on the front line of the fight against the virus?

Alexander Kumar, Theresa Jones, and John Wright are British volunteers working in Liberia and Sierra Leone and they have created a video diary.