Attempt to locate person in Concord. More info at CWSAlerts.com.

Missing person in Concord has been located. More info at CWSAlerts.com.

CWS Manager Test Alert. More info at CWSAlerts.com

EVACUATION ORDER in CONCORD and BAY POINT due to FIRE. More info at CWSAlerts.com

PREPARE to EVACUATE in BAY POINT due to FIRE. More info at CWSAlerts.com

UPDATE: EVACUATION WARNING in CONCORD and BAY POINT due to FIRE. More info CWSAlerts.com

UPDATE: EVACUATION WARNING in CONCORD and BAY POINT due to FIRE. More info at CWSAlerts.com

All-Clear in CONCORD and BAY POINT. Info at CWSAlerts.com

CWS Manager Test Alert. More info at CWSAlerts.com

Lockdown due to Law Enforcement Activity in ANTIOCH. More info at CWSAlerts.com

ALL CLEAR for Lockdown due to Law Enforcement Activity in ANTIOCH. CWSAlerts.com

Lockdown due to Law Enforcement Activity in Richmond. More info at CWSAlerts.com

All-Clear in RICHMOND. More info at CWSAlerts.com

Attempt to locate person in EL SOBRANTE. More info at CWSAlerts.com.

Contra Costa County Office of the Sheriff is still currently searching for YAN HU, a 57-year-old Asian FEMALE. If you have information regarding YAN HU, please call CCCSO immediately at 925-646-2441. More info at CWSAlerts.com.

Missing Person in EL SOBRANTE Located. More info at CWSAlerts.com. This is a message from Contra Costa County Office of the Sheriff. YAN HU has been located. Thank you for your help. Please feel free to resume normal activities.

Public Health Advisory for portions of Pittsburg and Antioch. More info at cchealth.org/hazmat.

All-Clear for Public Health Advisory in Pittsburg and Antioch. Info cchealth.org/hazmat.

Attempt to locate person in Lafayette. More info at CWSAlerts.com.

Missing person in Lafayette has been located. More info at CWSAlerts.com.