The Pirates have reduced the deficit to nine points at the break. Aaron Penberthy gave them a fourth minute lead with a drop goal.
Rob Cook kicked a penalty, and it was his storming run in the 23rd minute that set up Matt Evans for the only try of the half, which Cook then converted.
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Sunny spells on the way but staying breezy this afternoon.
Largely dry with some occasional sunshine this afternoon.
A 16-year-old schoolgirl, whose mum died of breast cancer, has raised £2,750 for the charity Hospiscare to thank them for their support.