HEALDSBURG, Calif. (AP) — Federal agents are investigating a fire that roared through Healdsburg’s downtown post office. Agents from the federal Bureau of Alcohol, Tobacco, Firearms and Explosives were on the scene Sunday, leading the investigation into the four-alarm fire. The blaze, first reported about 5:30 p.m. Saturday, sent black smoke pouring into the air. Firefighters were able to put …
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