A giant UFO resembling an enormous glowing ball lit up the night sky, sparking fears of an alien invasion or the end of days.
The huge mass of light illuminated the sky in northern Siberia, Russia, last night.
Within minutes, witnesses were speaking of "aliens arriving" and the "end of the world".
The extraordinary scenes were captured by photographer Sergey Anisimov in the town of Salekhard, which straddles the Arctic Circle.
He said: "I was taken aback for a few minutes, not understanding what was happening.
"The glowing ball rose from behind the trees and moved in my direction.