MICHIGAN CITY, Ind. -- Two zookeepers are recovering in hospital after being attacked by wolves at Washington Park Zoo in Michigan City on Wednesday.

The Michigan City Police Department confirmed the most severely hurt victim, a 39-year-old woman, suffered injuries across her entire body.

Michigan City Parks and Recreation report a wolf passed away of natural causes on Tuesday night.

Following that loss, zoo officials say the incident occurred between the other wolves and animal care staff.

Zoo staff, emergency responders, and veterinary personnel responded to the scene quickly according to officials.

Washington Park Zoo remains open to the public, although the wolf exhibit will be closed while staff monitor the animals and assess the situation.

The incident is under review according to Michigan City Parks and Recreation.