Two pals who broke both their backs after falling 20ft from a rope swing have defended the need to send SEVEN emergency service vehicles to help them.<br /><br />Josh Davidson, 19, and Kai Belk, 20, had been simultaneously swinging from a piece of rope in a secluded area of woodland.<br /><br />But the rope snapped under their weight and they fell into a shallow beck below - landing on jagged rocks in the river bed.
