Officials investigating fires in Graton, Glen Ellen

<p>Structure fires on opposite ends of the county kept firefighters busy Saturday.</p><p>The first in the Graton area on Peaks Pike Road involved a small unoccupied house.</p><p>The fire, reported at 7:30 a.m., was suspicious in nature, according to a Sonoma County Fire official.</p><p>The 600-to 800-square-foot house was destroyed along with a pickup. The fire consumed about half an acre.</p><p>In the afternoon, a barn fire in the Glen Ellen area drew firefighters from Kenwood, Bennett Valley, Santa Rosa and the state Department of Forestry and Fire Prevention.</p><p>The fire at the end of London Ranch Road was reported at 3:38 p.m. and contained by 4:30 p.m.</p><p>Damage was estimated at $150,000.</p><p>The barn's owner was injured in the fire and transported to a hospital with nonlife-threatening injuries, a Cal Fire spokesman said.</p><p>The cause of the fire was under investigation.</p>