The A5152 Pen Y Bryn has now been re-opened between the B5546 St Giles Way / Brook Street and the A525 Ruthin Road.
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Rain clipping the far north through the evening but elsewhere staying dry with some sunny spells.
Public Health Wales figures show 25 more cases of the virus have also been confirmed.
Photos taken on Saturday morning show Roald Dahl Plass strewn with empty beer bottles and discarded canisters of laughing gas.