Possible Clues:

• Annoyance, displeasure
• It would not be safe to let D cross this
• Ruffle one's feathers
• Park keeper blows his top - displaying this?
• Cross off hundreds from the start of the peril
• Hostile feeling
• Pique condition?
• Soldier binding old foe, time troops practised selfrestraint
• Foreman losing head in rage
• It's all the rage to get to the end of 25 down (5)