The A39 is closed in both directions due to serious accident between Greenbank Road (Devoran) and A393 (Treluswell Roundabout, Penryn).
The road may be closed for most of the morning, due to an accident which happened in Perranarworthal near the Perran Foundry and the Norway Inn.
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A teenager and two men are in a serious condition in hospital after a crash on the A39 in Cornwall in which two people died.