More than 500,000 people have been ordered to evacuate their homes in California's San Diego County, as wildfires rage across the state, officials said on Wednesday.A statement from San Diego County officials said approximately 513,000 people in the district had received mandatory evacuation orders and an additional 12,000 people had been advised to leave their homes.The statement said a total of 349,915 households had received calls asking them to evacuate.San Diego County has emerged as the ground zero of California's wildfire crisis, with hundreds of thousands of people forced to flee from the multiple fires that have sprouted across the region.In San Diego County alone, the fires had devastated more than 81,000 hectares and "we may be approaching the 300,000 mark," said San Diego Mayor Jerry Sanders.
