Ebola clinical psychologist: 'How I help NHS staff to cope in Liberia'

The United Nations is calling for more health care workers to join the fight against Ebola in West Africa.

More than 800 NHS staff have volunteered to go to the region and an Ebola clinic being built in Sierra Leone with British support could open by the end of October.

Branwen Jeffreys reports on the pressures that they will face.