Ardmore police have issued a Silver Alert for Zelto Anderson, 82. Anderson is decried as a black male wearing a dark long sleeve shirt and jeans. Anderson was last seen at 4:15 p.m. in the 100 block of NE H Street. Anderson is believed to be driving a maroon 2007 Chevy Avalanche. Police are reporting that Anderson has Alzheimer’s and is diabetic and has been without his medication.