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Robot balloon escapes
Airports have been warned about the giant balloon
Two airports have been alerted after a giant robotic balloon escaped from a science centre in South Yorkshire.

Staff at the Magna Science Adventure Centre, in Rotherham, were forced to inform aviation authorities after the "flyborg" floated off into the sky as it was being moved.

The 13-feet long airship can expand to four times its usual size as it flies, and could fly for a week before it deflates.

Both Manchester and Sheffield airports were informed of its escape. ...