Emergency crews responded Friday to a hazardous materials incident at the Presidio Golf & Concordia Club in San Francisco, resulting in one person being hospitalized.

The San Francisco Fire Department was dispatched to the golf course after reports of a dangerous chemical mixture involving muriatic acid and chlorine. HazMat units and fire companies worked to assess the situation, identify potential hazards, and ensure the safety of the public and first responders.

As a precautionary measure, residents and businesses in the immediate vicinity were advised to avoid the area and follow the directions of emergency personnel. The exact cause of the chemical mixture and the circumstances leading to the hospitalization of one individual are under investigation. San Francisco Fire Department hazmat crews responding to a hazardous materials incident at the Presidio Golf & Concordia Golf Course.