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.
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Outbreaks of rain and strengthening winds will affect southernmost parts of England and Wales today.
An earlier debate on the issue was suspended as an 'expression of support' following the Westminster terror attack.
Five people were killed and dozens more were injured after a car and knife attack in the capital on Wednesday afternoon.