A teenager has died in a shooting near the Ship Inn pub in Llenbedrog
Police were called shortly after midnight on Sunday to reports of the shooting near the Ship Inn pub in Llanbedrog near Pwllheli.
The family of the man, who police said was from the local area, has been informed.
Four suspects have been arrested by police
The suspects are due to be interviewed by detectives on Sunday while the scene is forensically examined.
Detective Chief Inspector Andrew Williams, North Wales Police, said: "We are keen to speak with anyone who was in the local area last night and who may have seen a number of males in a Land Rover Discovery vehicle at the location."