US: Firefighters battle wildfire in California's Contra Costa County.

SHOTLIST: CALIFORNIA, US (JULY 17, 2026) 1. VARIOUS OF FIREFIGHTERS TRYING TO EXTINGUISH WILDFIRE BY AIR AND GROUND IN CALIFORNIA CALIFORNIA, US - JULY 17: Firefighters continued battling a wildfire between Morgan Territory Regional Preserve and Mount Diablo State Park in Contra Costa County, California, on Friday, July 17. Fire helicopters repeatedly dropped water on the flames while ground crews worked to contain the blaze in the mountainous area. The wildfire prompted a large-scale response as firefighters sought to prevent the flames from spreading through the surrounding woodland. Authorities continued monitoring the fire as suppression efforts by air and ground remained underway.