One poster on Reddit claimed the source of the black ring was smoke from a Supercross event at Lumen Field. Video showed ...

A strange phenomenon appeared on the Seattle skyline Sunday, when a mysterious black ring hovered over Lumen Field and ...

The ominous black circle, which sat in between the clouds ... into a plume of smoke. The smoke then made its way up and created what appeared to be a dark ring, similar to photos circulating ...

A MASSIVE inferno has torn through a building in Paris, with flames and thick black smoke rising high into the sky and ...

Posters took to social media Saturday, sharing photos and videos of the cloud, which appeared to ... Reddit claimed the source of the black ring was smoke from a Supercross event at Lumen Field.