Possible Clues:

• Attackers from Rush synonymous with The Hill
• Pepper spray targets
• Hit makers, say
• Attackers like to travel by sea -- soldiers may go under
• They attack with wild Alsatians with safety first
• Is the donkey sick of the insects that attack it?
• People who attack the workers
• They're foolish to attack enough to get sick of 26 down
• As offensive as to go yachting with the insects (10)
• Silly to get so sick over the attacking insects