- Miguel Parajes, 75, was repatriated on military plane to Madrid from Liberia
- It comes as distressing photos show man collapsed in a Guinea street
- Fearing he had deadly virus, authorities did not touch or move him for hours
- Outbreak is deadliest ever, more than three times worse than 1976 epidemic
- 1,711 cases and 932 deaths in Guinea, Liberia, Nigeria and Sierra Leone
- Nigeria seeks new isolation chambers amid new cases in megacity Lagos
- Police and 750 soldiers on streets to enforce quarantines in Sierra Leone
- Liberia's President condemns 'ignorance' as the Army sets up road blocks
- WHO debates whether to use untested drugs but Obama says it is too early







