A self-described no-kill shelter in town euthanized a dog on Wednesday, about a week after it attacked a volunteer, officials said. "It is with terribly heavy hearts that we are informing the public that we had to have Sarge humanely euthanized today,

The animal shelter said the decision was “one of the hardest, if not the hardest,” they’ve had to make in 77 years of saving cats and dogs.

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.