For the past week strange lights in the sky over Mandurah, Fremantle, Forrestfield and other suburbs have been captured on video.

One family was spending time at White Hills Beach, south of Perth, when they caught striking footage of moving lights low in the sky.

At first, there appears to be just one light, before a second appears, then a third. The second light then disappears, only to reappear to the left of the first light.

“There’s three, there’s three!” a child says.

“Four!”

“What are they?” an excited voice adds.

“Oh my god!”

The video switches to a night vision camera, which makes the lights’ disappearance and reappearance even more phenomenal.

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