Petaluma, CA|News|
Sonoma Zeroing In On Pathogen Responsible For 'Tough Mudder' Illnesses
Organizers of the weekend race said they followed all necessary protocols before and after the event.

Bay City News Service is a regional news service covering all of Northern California, including San Francisco, San Jose, and Sonoma, among other cities and communities. Bay City News Service has covered the region for more than 20 years.
Organizers of the weekend race said they followed all necessary protocols before and after the event.

The smoke is from the Smith River Complex fire near the Oregon border and other blazes burning in Northern California.
The letter to school leaders outlines their responsibility to teach an adopted ethnic studies curriculum that will be required in two years.
New AI sensors being placed around Santa Clara County are designed to help alert firefighters to potential wildfires near watersheds.
The pricy contract will help the agency prepare for a range of potential incidents, including natural disasters and active shooters.
Prosecutors said overdoses among students at Los Gatos High School were traced to a San Jose drug dealer.
The crash happened along the main thoroughfare in Sausalito early Wednesday afternoon.
Air quality is expected to reach moderate levels on the U.S. Environmental Protection Agency's air quality index.
Transportation officials expect the Hooker Creek Bridge northwest of Sonoma will take about a month to replace.
Officers doing a random compliance check said they discovered nearly 6,300 illegal vape cartridges.
Police said the man fled a traffic stop in El Sobrante and eventually crashed into a patrol car on Interstate 580 in Alameda County.
Police said they found a loaded gun in the vehicle and that the suspect appeared drunk when he was arrested in Petaluma on Saturday.
The Sheriff's Office said it saturated the Spur Trail area with decoys, plainclothes detectives and uniformed patrol deputies.
Officials warned that smoke from numerous fires could impact air quality in the Bay Area into Monday.
The Santa Clara County Sheriff's Office will provide $50 Visa gift cards for each gun given to the new Firearms Relinquishment Program.
The former teacher was arrested at his home in San Mateo after a woman reported sexual contact while she was his student in 2016.
The BEMU train will charge while the train runs on overhead power in the electrified service areas and then use battery charge "off-wire."
A female officer was shot Wednesday while attempting to help a woman who said her husband was drunk and trying to hit her, police said.
The tentative three-year contract with the city includes a 6 percent wage increase and eight weeks of paid family leave.
Marin County deputies arrested a man Tuesday after officials said he fled in a kayak in Bel Marin Keys.