At least eight people were taken to hospital after lightning struck a rock festival in western Germany for the second year running.

Police spokesman Lars Brummer said at rescuers had to revive one person who was struck by lightning at the popular the Rock am Ring festival near Mendig, about 62 miles west of Frankfurt.

Mr Brummer said a severe thunderstorm moved over the festival site at a former airfield shortly after 8pm on Friday. Organisers warned fans to seek shelter during the storm.

Spiegel magazine, citing police, said on its website that "many" people were injured but it was unclear exactly how many were hurt or how badly.

Mr Brummer said the festival had since resumed.

Last year, at least 33 people were injured when lightning struck the festival twice.

Tens of thousands of rock fans attend the annual event. American band Tenacious D were due to play on Friday evening, with the Red Hot Chili Peppers performing on Saturday.

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