Police in Nashua investigated an incident Saturday in which one man was stabbed and another was shot.Authorities say officers went to a Nashua address shortly before 2:30 a.m. after receiving a report of a disturbance involving possible shots fired. Two men were taken to hospitals.One had a stab wound to the neck and later was transported to a Boston-area hospital for treatment. The other suffered a gunshot wound to the leg and was in stable condition.Police did not identify the men and no arrests had been made.No further details were disclosed but authorities said there was no threat to public safety.