California’s forestry and Fire Department said on the 22nd, affected by high temperature weather and lightning, there are more than 20 new mountain fires in some parts of California, and about 14000 firefighters are participating in the fire fighting. < p > < p > under the influence of strong wind, the mountain fire is approaching some areas of San Francisco Bay and near Sacramento. Citizens of Santa Cruz have been asked to prepare emergency supplies and be ready to evacuate at any time. < p > < p > after the development on the 21st and 22nd, the fire has become the most serious mountain fire in the history of California. According to statistics, so far, the mountain fire has killed at least six people, burned about 700 buildings, and 175000 people have been asked to evacuate.