Newcastle are three points clear at the top of the Championship following an away win at Preston North End on Saturday.
The Magpies are three points above Brighton.
The hero for the Toon at North End was striker Aleksandar Mitrovic, who bagged a match-winning brace.
Mitrovic broke the deadlock just before the hour mark with a fine finish on a counter-attack.
Mitrovic doubled his lead with a close range finish after his header had initially been saved.
Watch the match highlights below.