The Police Service of Northern Ireland ( Irish : Seirbhís Póilíneachta Thuaisceart Éireann , Ulster Scots : Polis Servis o Norlin Airlan ) is the police force that serves Northern Ireland .
The Police Service of Northern Ireland ( PSNI ) ( Irish : Seirbhís Póilíneachta Thuaisceart Éireann ) is the police service that covers Northern Ireland .