A mysterious glow in the sky over Eastern Ukraine has caused vivid debates among social media users.
The mysterious occurrence was, among others, spotted in the town of Lugansk.
Some speculated that the glow could have been caused by the launch of a missile.
"This morning, something was flying and spinning like a rocket, then there was a cloud," a local eyewitness said.
В небе над Луганском. pic.twitter.com/TP0rcCHRle— Королевство Тибет (@monarh_tibet) 26 декабря 2017 г.
Others assumed that the traces were left by a UFO….or even a Santa Claus.
Earlier, residents of the Crimean city of Simferopol said they heard a loud bang all over the city.
Media reports assumed that the sound could have been made by a meteorite. Local officials, however, suggested that the odd noise was the result of an aircraft passing through the sound barrier.