An ordinary day out in London turned into a sinister ordeal after a dad captured a ghost-like figure inside Knightsbridge tube station.

Neil Andrew Pike was returning home after taking his children to the Science Museum in Kensington when he decided to take a video of his family on the London Underground .

However, it wasn't until after he filmed a short scene, did he notice something lurking in the shadows of the tube tunnel, which is located near a former plague burial pit.

"I had been recording all day with my phone and at the time we were waiting for the tube home at Knightsbridge ," Mr Pike told getwestlondon.

"I was just recording a bit of the station when some movement caught my eye so I turned my phone towards the dark tunnel.

"I saw something move - but it was only later on when I watched it back that it really creeped me out."

The footage briefly shows a pale looking outline emerge from the tunnel, appearing from the wall, moments before the train arrived on the platform.

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Knightsbridge station was built near a former burial pit for those suffering from leprosy. Pic: Google maps

According to data from Historic-uk, a plague pit dating from around 1664 is thought to have been used as a burial ground for those who died at the nearby Knightsbridge lazarhouse.

It is also said to be why the rails between Knightsbridge and South Kensington stations curve sharply, to avoid the pit's location.

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