Possible Clues:

• 24 ac extraterrestrial at last on phone
• Drive off fans
• Make a foe of
• Cut off a story with neat twists
• A story, nipper's prime requirement, had to be off-putting
• Antagonise stranger at last on phone
• Turn against stranger at last on phone
• Drive off; send to Coventry
• Make an enemy of foreigner at start of engagement
• Turn off, in a way