NATHAN Vaughan's catch and kick following a 42nd minute corner was collected by Gary Hay.
The striker combined with Danny Hodnett before firing a left-footer wide.
Hay was involved a minute later when he nodded on a free-kick towards Mark Owen who glanced it goalwards but Daniel Lennon arrived seconds too late to convert.
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However, after Gary Sippetts had seen a shot deflected for a corner the Robins took an injury-time lead.
Simon Fitter provided the opening with a free-kick that Lennon headed into the net.
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