The UFO-shaped cloud appeared again

A flying saucer-shaped cloud has just been discovered in Romania's sky, just weeks after a similar phenomenon occurred in Moscow.

The cloud is shaped like a flying saucer.

When viewed from a distance, a circular cloud surrounded by a glowing ring looks like a spaceship from another planet.

Meteorologists who explain the halo appear in Moscow are only optical effects due to a rare weather condition. But the video footage of the UFO cloud in Romania last weekend continues to shock people.

"I have never seen the cloud like this. It is strange that the same phenomenon happened only a few weeks apart in different places," said a Live Leak website user who posted the comment video.

Watch the UFO cloud video here.

Others claim that this cloud signals alien invasion.