No fires are burning in Siskiyou County as of Thursday afternoon, but smoke is drifting into the Mt. Shasta area.

No fires are burning in Siskiyou County as of Thursday afternoon, but smoke is drifting into the Mt. Shasta area.

Three fires burning in the Redding area were all between 50% and 90% contained, including the Sprig Incident in the Millville area, which started today and had spread to 60 acres as of about 2 p.m., according to CAL FIRE.

The causes of Sprig and China fires are both under investigation. The China fire was 60% contained as of Thursday afternoon and listed at 150 acres. It started Wednesday, destroying two residences, damaging two others and an outbuilding. Some evacuations remain in place, mostly west of Happy Valley Road. The one road that was closed has been re-opened.

The Mallard fire in the Millville area, which also started Wednesday, was at 75 acres and 90 percent contained as of Thursday afternoon. It was started by a structure fire, according to CAL FIRE.