Fire crews are using special sound equipment to try to free a dog stuck in a rabbit warren near Yeovil.
The alarm was raised near Ham Hill Road in Odcombe just after 10:20pm last night.
Crews from Yeovil and Crewkerne were sent to the scene but suspended a search just after 2.30am.
Fire fighters reassessed the scene at 7.30am today and a specialist unit has been sent from Exeter.
At noon today, the specialist personnel started using sound equipment to pinpoint the dog's underground location.