It was the TV station Fox 8 News who filmed this UFO, which seems to be spherical shaped:
http://www.fox8.com/wjw-mystery-object,0,1073431.story
Viewers reaction to 'Mystery Object':
http://www.fox8.com/news/wjw-mystery-object-reaction-0430,0,5264834.worldnowvideo
Fox 8 News article:
“UFO Above Cleveland?
By Jenny Miller, Fox 8 Web Producer
Numerous viewers have sent in e-mails regarding a
story by Fox 8 reporter Belinda Prinz. However, the e-mails have nothing to do
with the story she reported on. They have to do with a mysterious object that
appears in one of the camera shots. Watch the video above and vote in our poll
to the left. (Do you think that the object in the video above is a UFO?) If you
don't think the mystery object is a UFO, let us know what you think it is by
commenting in the message board below the poll. (To watch viewer reaction,
click on the related link titled ‘Viewer Reaction to Mystery Object.’ To watch
Belinda's original story, click on the related link titled ‘Cleveland Casting
Call.’ Both links are located below the message board.)”
(youtube.com image)