One person was seriously injured, and later passed away, after she was standing on the sidewalk and was hit by a vehicle at the intersection of West Route 66 and Riordan Road Monday evening. Officers responded to the scene at around 6:02 p.m. after a report of the accident. When they arrived they found 20-year-old Liana Skow of Flagstaff serious injured. Medical personnel responded and began life-saving measures on her. She was transported to Flagstaff Medical Center where she was pronounced dead. Investigators say Skow was a pedestrian standing on the sidewalk at the intersection when a two-vehicle accident took place, which resulted in one of the vehicles crashing into her. Impairment is not suspected to be a factor in the accident and it remains under investigation. If anyone has information into the accident, contact Flagstaff Police at (928) 774-1414 or Silent Witness at (928) 774-6111.