Suspicious 'pipe bombs' found in San Ramon, Concord proved harmless

Iron Horse Trail closed Friday morning while police investigate

Three suspected pipe bombs found in Concord and San Ramon on Friday morning turned out to be harmless, police said.

A bicyclist riding on the Iron Horse Trail north of Alcosta Boulevard adjacent to the Royal Vista Golf Club in San Ramon found the first suspicious device at about 8:30 a.m. and notified authorities, according to East Bay Regional Park District police.

Officers from the San Ramon Police Department and the East Bay Regional Park District police responded, closed off the area and called the Walnut Creek bomb squad.

The trail between Alcosta Boulevard and Pine Valley Road and part of the golf course were closed to the public for several hours, police said.

The bomb squad later determined that the device had no explosive material in it and was harmless, police said. The trail and golf course were reopened at about 11:30 a.m.

Meanwhile, shortly after 9 a.m. in Concord, vector control technicians from the county health department were in a vacant house in the 1200 block of Saint Louis Drive looking for rodents when they saw two devices that looked like pipe bombs and notified police, Concord police Lt. Brian Wiesendanger said.

Police called the Walnut Creek bomb squad to the house and evacuated about 10 houses in the surrounding area, Wiesendanger said.

As soon as members of the bomb squad cleared the San Ramon device, they headed over to Concord, where technicians were able to cut into the two potential pipe bombs. They found that they did not contain explosives, Wiesendanger said.

Technicians also found a picture frame wrapped in aluminum foil and attempted to detonate it as a precaution, but that didn't contain explosives either, Wiesendanger said.

Residents were allowed back into their homes at about 2 p.m.

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