In the footage, the unlikely duo are seen only briefly as the man walks down a flight of stairs with the leopard in tow and exits the building. The entire time, the big cat is surprisingly calm.
Russia Beyond quotes one of the man's neighbours as saying that the man regularly walks his "pet" - no muzzle in sight.
"People are amazed. Despite the fact that many young families with children live in the house, it does not bother the leopard's owner. A leopard, a predatory animal that can attack at any moment and gobble you up, walks around without a muzzle," the unnamed neighbour says.
According to RT, the paw prints left by the leopard in the playground's sandbox have become a "regular and worrying sight" for the building's residents, who fear the big cat might break free from its owner and maul the children.
However, the man insists there's nothing wrong in treating the leopard as a housecat.
Watch the video below:
While it's unclear whether the man has a permit to keep the leopard at home, RT reports that the regional veterinary authority says that it had not granted any permit and was previously unaware of the leopard wandering the streets of the city.
The man's worried neighbours are planning to file a police report. Click for more trending news
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