ARDEN HILLS, Minn. (KMSP) - UPDATE: Sarah Kay Thommen has been found safe.
The Ramsey County Sheriff's Office is asking the public's help to find a missing 19-year-old woman, who is a Bethel University student.
Sarah Kay Thommen was last seen on Bethel's Arden Hills campus on Tuesday around 12:45 p.m.
Authorities and her family are concerned for her welfare.
She is described as 5' 8" and 135 pounds with green eyes and brown hair. She was last seen wearing a long, black North Face parka, jeans, short-heeled, red-brown boots and a black backpack.