South Wales Police are appealing for witnesses after an incident in which a teenage boy broke his spine.
The family of Joshua Davies say he was running away from bullies when he fell.
South Wales Police said it dealt with three allegations of assault between April 2011 and June 2014.
There is currently no evidence which links this incident to anything which occurred previously.
If anyone has information about what happened beneath the Broadway bridge on Sunday, 17th August, they are urged to call 101 or call Crimestoppers anonymously on 0800 555 111.”
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