Pompey maintained their position at the League One summit with a deserved victory at Port Vale.
A clean sheet on the road for a second successive weekend meant that one goal was enough to secure all three points.
John Mousinho's men had to wait until the closing stages to score it, though, with Colby Bishop staying cool from the spot after Abu Kamara had been tripped.
Fans can watch the key moments (top video) or register with iFollow to view extended highlights and a full match replay.
If the full match replay is playing the wrong audio, you can use the settings cog to toggle between home and away commentary.