Mill Valley September 13, 2024 11:21 am Bomb threat closes schools in North Bay district A bomb threat at a North Bay school district Friday morning prompted officials to close all campuses. US & World Videos 3:16 Firefighters work to contain destructive Lake County fire 2:23 Watch: Fire marshal provides update on Lake County wildfire 2:16 Boyles Fire prompts evacuations in Clearlake 1:58 Clearlake fire forces evacuations, impacts 4,000 0:25 Fire threatening homes in Clearlake