Yolo County officials said Thursday that the investigation and recovery efforts could take days, and said their hearts and thoughts are with the families of the 7 people who are missing.

SAN JOSE – A major explosion at a pyrotechnics facility in Yolo County has forced the cancelation of a Fourth of July fireworks display at Lake Cunningham Park in San Jose, but a celebration will still take place, according to an city official.

The Cloverdale Lions Club said it was canceling its annual Fourth of July fireworks show following an explosion the day before at a supplier’s fireworks facility in Yolo County. The explosion on Tuesday at the facility in Esparto sparked a 78-acre fire that has prompted evacuations in the area.