Green clouds spotted over Moscow spark apocalypse fears

On the anniversary of the Chernobyl disaster, fear spread when green clouds were seen in the skies over Moscow. Experts say don't worry, it's only birch pollen.

People in the Russian capital were nervous today on spotting mysterious green clouds in the sky. The scene sparked doomsday theories and fears of a chemical disaster polluting the capital.

According to experts at the Emergencies Ministry the clouds are merely composed of birch pollen.

Moscow Twitter users were not convinced and tweeted alarming messages, such as "Sky has turned completely green in Moscow's south!" and "The factory in Kaluga is destroyed!".... read full article and view video.