Watch key moments from Boxing Day victory
Pompey brought plenty of festive cheer back from south Wales after a dramatic win at Newport.The struggling hosts roared into a two-goal advantage, courtesy of strikes from Josh Sheehan and Rhys Healey.
Danny Rose then reduced the deficit before Kal Naismith wasted a chance to equalise by blazing over from the penalty spot.
But Enda Stevens did level with his first goal for the club before Naismith redeemed himself with a late winner.
Watch key moments from the game below or subscribe to Pompey PlayerHD for extended highlights.