Aliens visit Obama's inauguration?

A recent CNN video called 'Flying Saucer appeared in President Barack Obama's inauguration' caused netizens to fever.

Two MCs of Wolf Blitzer and Anderson Cooper are commenting on the historic speech during President Obama's inauguration when he suddenly discovers a strange object flying.

The strange object flew very fast during President Barack Obama's inauguration last week in Washington DC

In this video, one sees a black, tiny object passing through the Washington memorial - the tallest tower in the world with a height of 169m.

The video has become a hot topic on blogs, some claim that this flying object is a bird. Others deny this theory because it is flat and has no wings.

Below is a video recording the flying object: