"We are quite certain that in future all stage hypnotists will give a proper warning of the dangers involved in volunteering to take part in a stage hypnosis show, " he said.
However, what they could have foreseen was the storm that sent the stage down particularly because the National Weather Service had declared a severe thunderstorm warning in the area 10 minutes before the stage fell.
The Wildlife Trusts expressed concern that schemes where shortlisted at an early stage in the feasibility study, warning that it favoured proven technology - barrages - which would be highly damaging environmentally.