Coroner Michael Rose recorded a verdict of accidental death by drowning at the inquest into the death of Dylan Cecil last August.
He said there was nothing Dylan's parents, Rachel McCollum and Darren Cecil, could have done to prevent this "terrible tragedy." He called it, "a tragic misfortune – a nightmare from which they cannot wake."
He said both parent had tried their very best but he added, "we cannot restrain children, they have a life to live".
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Early mist and fog clearing to make way for a fine and sunny day
Another fine and dry day, once any early fog patches clear, with largely sunny skies.
Protesters gathered outside the Library of Birmingham following the announcement the £189 million building will now be closed on Sundays