Residents of Millbrae were on alert after an incident involving a solitary vehicle ended with one adult being injured and transported to a local hospital. The San Mateo County Sheriff’s Office confirmed that the episode, which unfolded in the 200 block of Ashton Ave., was an “isolated incident,” reinforcing that there was no peril to the community at large. This assurance was shared by the San Mateo County Sheriff’s Office yesterday evening.