Possible Clues:

• Man is turning up outside part of hospital as a guard
• The guard told to go in Spanish article
• One has to watch and listen, perhaps absorbing points
• Guard posted in heart of underworld
• Guard dispatched on to line hazardously
• Watch broadcast with Nile flowing
• Soldier standing guard
• Guard absent in electrical stores
• Guard posted home by the Spanish
• Guard posted: Nile in uproar