Possible Explosive Device Detonated Near Fulton PG&E Substation

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FULTON (CBS SF) -- The Sonoma County Sheriff's Office have detonated a suspected explosive device that was found near the PG&E substation at 699 River Road in Fulton.

As of 4:27 p.m., the on- and off-ramps for southbound U.S. Highway 101 at River Road are shut down and traffic is being diverted, sheriff's Sgt. Spencer Crum said.

Video from Chopper 5 showed sheriff's deputies searching a wooded area adjacent to the substation property, but not the substation itself.

Highway 101 is still open. So far there have been no evacuations and no shelter-in-place order given in the area, according to authorities.

The device was safely detonated shortly after 6 p.m., authorities said.

The on- and off-ramps for southbound U.S. Highway 101 at River Road were reopened shortly afterwards.

Sheriff's deputies said the device appeared to be two pieces of metal about 18 10 24 inches long that were connected by a wire. A PG&E worker found the device.

Authorities said the department's bomb squad would analyze the object to determine if it was an explosive.