Omaha Police are investigating the robbery of the "Casey's" store and gas station at 24th and Martha Streets.
Officers responded Sunday evening to the robbery call and spoke with the store clerk who told them an unknown male wearing a ski mask approached the counter, displayed a handgun, and demanded cash from the register.
The suspect was last seen walking eastbound down the hill on Martha St.
Anyone with information and who wishes to remain anonymous is urged to contact "Omaha Crime Stoppers" at (402) 444-STOP, at www.omahacrimestoppers.org or on the P3 Tips mobile app.
(Picture from Getty Images)