A 20-year-old man has died after lightning struck 14 people at Venice Beach in Los Angeles and Catalina Island.
Twelve other people were injured on the beach, with one still in a critical condition in hospital.
A 57-year-old man was also hit on a golf course on Catalina Island.
A witness earlier described seeing a "big flash of light and a boom" when the lightning struck.
More top news
Hundreds of operations will be cancelled and waiting lists will grow if the NHS is as busy as last winter, according to Labour analysis.
A 28-year-old man has been charged over the stabbing of a surgeon outside a mosque.
A quiet night to come across the UK.