MINNEAPOLIS (AP) — Gov. Mark Dayton has ordered flags lowered to honor an Army sergeant killed in Afghanistan who attended a Minnesota college.

Dayton ordered flags flown at half-staff from sunrise until sunset Saturday to honor 26-year-old Sgt. Kyle Osborn.

A celebration of Osborn’s life is being held Saturday in Stockwell, Ind. He will be buried with full military honors.

Osborn died Sept. 13 when insurgent attacked his unit in Afghanistan.

Osborn studied civil engineering at Minnesota State University, Mankato, from 2005 to 2007. He was assigned to the 1st Battalion, 503rd Infantry Regiment at Camp Ederle in Vicenza, Italy.