STROUDSBURG (AP) - A young Pennsylvania man convicted of stabbing his older brother to death following an argument over cigarettes has been sentenced to six to 15 years in prison.

The Pocono Record reports 20-year-old Matthew Crothers was sentenced Monday. Jurors had convicted him of voluntary manslaughter in the slaying of 19-year-old David Crothers two years ago, when he was 18.Matthew had confronted David and his girlfriend in their Chestnuthill Township home about smoking his cigarettes without his permission.Prosecutors say Matthew later approached David from behind and stabbed him in the leg. David died four days later.The Crothers family says Matthew was trying to defend himself and the family from David's drug-fueled attacks.