MailOnline
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Rover was demonstrating at Jaguar Land Rover's battery testing facility in Coventry .
He had been patrolling the site to look out for any problems that could spell trouble.
But the steps had a gap down the middle which had a critical effect on its footing.
Rover placed its left front leg on the gap and instantly slipped and fell.
Slamming heavily into the hard floor, Rover dislocated a limb as small bits scattered, including a plastic cap and a screw.