ALBANY, N.Y. (AP) — Gov. Andrew Cuomo has ordered flags on state government buildings across New York to be flown at half-staff to honor the general from upstate who was killed in Afghanistan Tuesday.

The U.S. military says 55-year-old Army Maj. Gen. Harold Greene of Falls Church, Virginia, died Tuesday when a gunman believed to be an Afghan soldier opened fire at a military academy near Kabul.

Greene was born in Albany and graduated from high school in suburban Guilderland. He was a 1980 graduate of from Rensselaer Polytechnic Institute in nearby Troy, where he earned degrees in engineering.

Greene is survived by his wife, Susan, and their two children, Matthew and Amelia.

Cuomo on Wednesday ordered flags on state government buildings to be flown at half-staff Thursday.

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