Gillingham took the lead through Danny Kedwell's far-post header, but Chris Robertson equalised for the home side with a close-range header.
Vale mounted pressure after the interval and it was no surprise when half-time substitute Pope headed home in the 63rd minute.
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The forecast for the east of the region from James Wright.
The forecast for the west of the region from James Wright.
A man from Oxford, who suffers from chronic back pain, has spoken of his despair after his operation was cancelled for the fourth time.