A rescued harp seal that seemed to be on the road to recovery suddenly took a sharp turn for the worse on Wednesday and had to be euthanized, the Marine Mammal Stranding Center said Thursday.

A rescued harp seal nearing his release back into the wild has died, the Marine Mammal Stranding Center said Thursday. "We are sorry to share some heartbreaking news ...

A concerned resident sent a video of the seal — which seems to be a harp seal based on its markings — to the Advance/SILive.com. The resident gingerly circled the sea creature while recording ...