Contra Costa County July 4, 2021 11:20 pm Contra Costa County Reporting at Least 10 Fires Possibly Linked to Fireworks The Contra Costa County Fire Protection District responded to at least nine fires in the county that were possibly caused by the Fourth of July fireworks Sunday night. US & World Videos 2:58 In the news: Violence in Oakland, new California laws, Santa Cruz man rides potential record wave 1:47 Synced In: Most-watched videos of 2024 2:08 In the news: Car drives through Christmas in the Park, high-tech burglary, serial tab-skipper 2:07 In the news: A's president resigns, crime crackdown, wharf collapse update 1:57 In the news: Christmas tree recycling, gift card warning, high surf advisory