Possible Clues:

• Outbreak of public anger
• Mixture of four about the outburst of hair that's not refined
• Big fuss created by e.g., mink, valuable material
• Such a fuss about the start of 8 across over what's unrefined
• Verbal warning about union rep initially causing uproar
• Commotion upset our ref
• What a fuss over hair that's crude!
• Hair over and on flap
• Soldier possibly stole nothing before causing outcry
• Pelt with mineral causing uproar