An 18-year-old man was jailed in Northumberland County for shooting another man in the abdomen Sunday after an argument at a home near Paxinos, state police said Monday. Ryan Costa, of Danville, was awaiting arraignment on charges of attempted homicide, aggravated assault, simple assault, and recklessly endangering another person. The victim, Kyle Kent, 46, was hospitalized and was expected to recover from the gunshot wound to his abdomen and his hand.