More than 750 military personnel are being sent to West Africa to help in the efforts to contain the Ebola outbreak.
The announcement comes as the first Ebola patient to be diagnosed in the US, Thomas Eric Duncan, has died in hospital in Texas. The World Health Organisation has warned that sporadic cases in Europe are now "unavoidable."
It's understood RFA Argus will also be sent to Sierra Leone, along with three helicopters.
Royal Marines from Plymouth have gone ashore in Sierra Leone to help the fight against ebola.
A British military ship carrying supplies and off road vehicles has arrived in Ebola-hit Sierra Leone
More than 750 military personnel and the medical ship RFA Argus are being sent to West Africa to help contain the Ebola outbreak.