A Spanish health worker looks at Ebola patient, Catholic priest Manuel Garcia Viejo, before loading him into a Spanish Air Force transport plane at Lungi airport in Freetown, for his repatriation to Spain for treatment September 21, 2014. [Photo/Agencies]

FREETOWN, Sierra Leone  - The Sierra Leone Broadcasting Corporation says bodies of Ebola victims have been left in the streets because of a strike by burial teams, who complain they have not been paid.

Health Ministry spokesman Sidie Yahya Tunis says the situation is "very embarrassing" and said money was available to pay the teams. He promised to provide more information on Wednesday.

The World Health Organization says Ebola is believed to have killed more than 600 people in Sierra Leone.

In Spain, officials said a fourth person has been placed under observation for Ebola in a Madrid hospital where a nursing assistant that became infected after working with two victims from Sierra Leone and Liberia, who later died. The infected woman's husband is among those being observed.

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