The search is on for a missing brother and sister from Zanesville. 17-year-old Thomas Lee Glenn has brown hair and eyes, weighs around 160 pounds and stands five-feet-five inches tall. His sister, Amanda Marie Glenn is 16-years-old. She has sandy blond to light blond hair, hazel eyes, weighs around 120 pounds and stands five-feet tall. The two, who are considered runaways, were last seen this past Saturday afternoon. If you have any information about their whereabouts contact the Zanesville police department.