Police officers have been forced to kill a dog after it attacked and injured their police dog during an arrest in Coomera, on the Gold Coast.

Officers were completing an an arrest near Cirrus Way, Coomera, around 8.15pm when another dog set upon their police dog “Bravo”.

Police said they attempted to subdue the attacking dog using capsicum spray, but it continued to attack Bravo.

They were then forced to discharge a weapon to kill the attacking dog.

Bravo received treatment at the vet overnight. (QLD Police)

Bravo suffered serious injuries and was treated by a vet overnight.

No person was injured.

Investigations into the incident are being conducted by the Ethical Standards Command.