Authorities have been forced to declare a state of emergency in San Diego after wild fires ripped through the surrounding countryside.
A wall of flames dozens of feet high has advanced towards an upscale hillside community near San Diego, threatening to destroy up-market homes, along with eight other wild fires threatening the Californian city.
The nine blazes raging round San Diego have destroyed more than 10,000 acres, and evacuation notices have been sent to areas that are home to 125,000 residents since the first blaze broke out on Tuesday, county officials said.
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The 25-year-old was charged with 14 counts of wounding with intent to do grievous bodily harm and one count of throwing a corrosive fluid.
Winds will veer northerly overnight with colder air streaming in over the next few days.
Protesters angry that far-right leader Marine Le Pen is advancing the French presidential runoff are scuffling with police in Paris.