The two biggest wildfires ravaging the Los Angeles area have killed at least 10 people and burned more than 10,000 homes and other structures, officials said as they urged more people to heed evacuation orders after a new blaze ignited and quickly grew.

In a lawsuit filed Wednesday, the county alleged PepsiCo and Coca-Cola companies have misled the public about the recyclability of their plastic bottles and downplayed the negative environmental and health impacts of plastic disposal.