One man has been killed and another has been injured following a stabbing attack in Cooma this morning.

Police say the men drove to Cooma Hospital for treatment, where one died after suffering stab wounds to his torso. He is yet to be formally identified.

A second man was treated for wounds to his arm and has since been transported to Canberra Hospital, where he remains in a stable condition.

A 21-year-old man has been arrested over the attacks and has been taken to Cooma Police Station.