The Scottish Environment Protection Agency has issued a flood alert for Dumfries and Galloway.
Heavy rain overnight and through this morning has caused a significant rise in river levels, particularly in Dumfriesshire.
SEPA are warning that there is a risk of flooding to low lying land, and a possibility that the Whitesands area of Dumfries may be affected.
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A Cumbrian man has been jailed for 15 years after a police crime unit seized its biggest ever haul of firearms.
The historic event always takes place on the last Friday in July.
Early enquiries suggest the men may have taken the drug Blue Valium. Two of them remain in hospital with breathing problems.