An unidentified man from Kelseyville was struck and killed by a semi Tuesday on State Route 29 north of Seigler Canyon Road. The CHP reports around 6:30 am the 90-year-old pedestrian was walking east on 29, crossing from the northbound #1 lane to the #2 lane. The driver of the big rig said that the man continued to walk into the path of his vehicle and that he couldn’t react quickly enough to miss him. An investigation is underway and identification is pending notification of next of kin.