Wayne Routledge scores for the Swans in the eighth minute, whilst Andreas Weimann levels for Villa just before the break
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Heavy, thundery showers will clear northwards through the morning, allowing it to turn mostly dry and bright for many.
Some locally heavy showers are possible overnight, particularly in the east, where some thundery downpours are possible.
Wayne Pivac praised Scarlets' attacking style as they secured the Guinness PRO12 title with a stunning 46-22 success against Munster.