Related Clues:

• Active, occupied
• Shooter briefly stops a band in contention
• Tied up, as a phone line
• Pot plant
• Detective is engaged
• Policeman on call
• Like a bee?
• Engaged in an activity
• Engaged in work
• Urging a change for those at each other's throats
• Tied up in transport yard
• Struggling, battling
• Having lots to do
• Not at all idle
• It's engaged setter and solver in past