The US Mythical Beast Agency says most unicorn sightings are, in fact, horses with tin-foil covered cardboard cones on their heads.
The Agency also says the sighting of a minotaur in Cleveland was two actors taking a break from their role as pantomime horse.
In an uncharacteristic twist of irony, the US Mythical Beast Agency has claimed it doesn't itself exist. Weather balloons are being blamed.