Shared by YouTube account Chris and Keelan Chronicles, the caption reads: "Caught on Nanny cam in the middle of the night... No children were harmed. This is not my child in the video."
Some eagle-eyed viewers have noted a moment in the footage where, just before the little boy falls, he briefly disappears, and believe this is evidence that the video has been manipulated.
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While some were quick to shun the idea of paranormal activity, many believe the footage of the child pulling himself up to stand on the railing is genuine.
One viewer surmised: "Not possessed it's just good at balancing... It would however [sic] been scary if the baby fell forwards."
- nzherald.co.nz