Los Angeles Mayor Karen Bass declares a local emergency to secure city resources to help fight a large warehouse fire in Boyle Heights, according to multiple outlets. The emergency proclamation is intended to ensure the city can access staffing, equipment, and other support needed for firefighting and related response efforts. The fire produces large plumes of smoke that affect the air, prompting heightened concern from officials and residents. One report says the declaration also addresses the possibility of a biohazard, indicating authorities are considering potential hazardous materials as part of the incident assessment. The emergency is intended to speed coordination and resource allocation while response operations continue. The sources characterize the declaration as a measure to support the ongoing firefighting effort rather than as an independent determination of cause or impact. Details on the exact contents of the warehouse, the number of injuries, evacuations, and the final assessment of any environmental or health risks are not included in the provided excerpts.