Excited JLS fans, many of whom only have one shot to see the boys perform live, were left soaked when they were told by security staff to leave their brollies outside of the open-air concert.
The same incident occurred both at the Brighton concert, as well as the Scarborough date, and led to ice-cream parlour worker Paige Taylor, 17, being unable to speak or swallow the morning after the concert.
Luckily for the boys, they didn't feel what the fans felt, as the stage was covered by a section of the roof.
One security staff member at the Brighton concert said, "It is for health and safety. There are a lot of children here and if you were dancing with an umbrella it could hurt them."
When a reveller was asked his opinion on the no umbrella policy, he replied, "I cannot talk - I have to look through this pile of umbrellas for mine."
A spokesman for Spin Publicity, which organised the event, said, "We do not allow umbrellas in. It is a health and safety issue. The first bank of brollies that go up mean that every one behind them cannot see. Also if you opened one in a crowd you could take an eye out. That's the long and short of it."
However, the Health and Safety Executive (HSE) reacted quickly to the accusation that health and safety was to blame, stating that there are no laws preventing umbrellas being used at outdoor concerts. The HSE further challenged the concert organisers by stating, "If there are concerns about people being poked in the eye, then it would follow that umbrellas should not be allowed on a busy high street or even used at all. Nobody would advocate that!"
When it comes to dampening myths, the HSE have struck again!