The Animal Haven in North Haven said it euthanized a dog named Sarge on Wednesday about a week after he attacked a volunteer, causing serious injuries.

A dog at a no-kill animal shelter in North Haven was humanely euthanized today. The dog, named Sarge, was being sheltered at The Animal Haven in North Haven. The shelter previously released a statement saying Sarge had savagely mauled a volunteer unprovoked.

Sarge, the dog who attacked a volunteer at The Animal Haven Shelter, has been euthanized, according to a statement published by the shelter. Sarge’s euthanasia has been at the heart of some controversy for the North Haven shelter.