News 3 viewers curious about black smoke ring in Las Vegas sky — so are we | KSNV
Massive smoke ring spotted over London, Ont. | CTV News
Explained: What is the mysterious Black ring hovering in the skies of Pakistan - Oneindia News
It just went Ka-boom!': Did you see this giant smoke ring over London yesterday? | CBC News
RAW: Mysterious smoke ring spotted over Denver - YouTube
A power transformer exploded : r/mildlyinteresting
Pollution alert over smoke rings after China fibreglass factory fire | Daily Mail Online
Science Channel on Twitter: "This ring floating above Chicago caused a panic. Experts quickly shut down UFO talk, determining it's made by some kind of electricity. Worse? They're multiplying. Strange Evidence is
Watch: Black ring filmed over Nottinghamshire - UPI.com
Newsweek on Twitter: "Some social media users have said the black ring could be a weather phenomenon, while others suggested it was proof of aliens. https://t.co/fl1yLuF0l9" / Twitter
Wicker Park Transformer Explosion - YouTube
VIDEO: Strange black circle spotted in sky over Salt Lake City is from Supercross event | KOKH
Well this wins the award for... - Meteorologist Ryan Hanrahan | Facebook
Fire department urges caution after transformer explosion
 "Mysterious Black Ring Seen Over Lahore In Viral Video. It Could Be...")
Mysterious Black Ring Seen Over Lahore In Viral Video. It Could Be...
People think that aliens are here after this smoke ring was spotted in Lahore
Massive smoke ring spotted over London, Ont. | CTV News
Smoke ring - Wikipedia
Did you see this? Smoke ring from a lightning strike | wfaa.com
It just went Ka-boom!': Did you see this giant smoke ring over London yesterday? | CBC News
Well this wins the award for... - Meteorologist Ryan Hanrahan | Facebook
This is what happens when an electrical transformer catches fire. I have literally no clue why. : r/physicsgifs
Fire department urges caution after transformer explosion
/cloudfront-us-east-1.images.arcpublishing.com/gray/CWYUPXL2INPUFA6KEPO6J5G43A.jpg "VIDEO: Transformer explodes while reporter gets ready for live shot in North Carolina")
VIDEO: Transformer explodes while reporter gets ready for live shot in North Carolina
