The air and search operation launched after a suspected plane crash near Fishguard has been "stood down."
Milford Haven coastguard told ITV News they "don't believe there's anything in the area."
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The Smith Commission is expected to set out new powers for the Scottish Parliament that could lead to major change for Wales
Remaining largely cloudy through the day with some intermittent drizzle likely in the east
Close interest is being paid in Wales to the recommendations of the Smith Commission for future devolution to Scotland