True UFO believers and dyed-in-the-wool conspiracy theorists are accusing NASA of again covering up the sighting of a UFO by cutting a livestream from the International Space Station just as the UFO begins to descend into the atmosphere.

The latest in a series of outcries accusing NASA of covering-up the existence of intelligent aliens was triggered by a YouTube video by a poster with the handle, "Streepcap1." This person's YouTube channel is loaded with video clips showing alleged UFOs on the Earth, the Moon and Mars.

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Streepcap1's latest UFO video posted July 9 shows a blob of white descending into the atmosphere from space. The 1:45 seconds-long clip taken from a NASA livestream from the ISS has been viewed two million times and has got majestic, royalty-free music to jazz it up.

While saying this might be a UFO, Streepcap1 also says this sighting "could well be a meteor or the like." What he found queer, however, is that NASA cut-off the live stream when the UFO seemed to stop.

Some tweets said cutting the livestream was very "suspicious" while others wanted to see the aliens NASA seems to be hiding.

NASA, however, had an explanation for the livestream interruption. The livestream wasn't deliberately cut but was caused by the ISS passing out of range of the satellites that connect the ISS to the Earth, said NASA spokesman Daniel Huot.

"The station regularly passes out of range of the Tracking and Data Relay Satellites used to send and receive video, voice and telemetry from the station," said Huot.

"For video, whenever we lose signal the cameras will show a blue screen or a preset video slate."

Streepcap1's video of the controversial "cover-up" can be viewed here.

TagsUFO, International Space Station, NASA, Streepcap1