Lightning strikes crowd on Venice Beach in Los Angeles
28 July 2014 Last updated at 13:44 BST
One person has been killed and at least 15 others taken to hospital in Los Angeles after being struck by lightning.
They were caught in a thunderstorm that hit Venice Beach in the early afternoon.
Another person was struck by lightning on a golf course on Catalina Island off the Californian coast.
Richard Lister reports.