Police have issued a Silver Alert for a 71-year-old woman last seen at Darien High School yesterday afternoon.

Police say Laurie Reed is 5 foot 2 inches tall and weighs about 150 lbs; she was wearing a blue sweater under a gray vest with dark blue pants.

Police say she was last seen leaving the high school in a 2003 blue Ford Expedition; if you think you may have seen her, police ask you to call them.