Update: Thursday 7:42 a.m.
A neighbor in Belmont Heights reports, "The dog was found and is back with his family. Thank you to everyone that helped!"
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Wednesday 11:00 p.m.
The foster family of this black-Lab mix is asking community's help in locating their new dog who slipped out of his collar as they were bringing him home for the first time.
The still-unnamed dog ran down Sherborne Drive toward the canyon and was last seen near the trailhead at Sherborne and Somerset at about 9:30 p.m. Wednesday.
The dog's foster family says he is very friendly, but is most likely scared and unfamiliar with his new surroundings. If you see the dog, please call or text 650-387-2748.