Drivers were warned to take extra care this morning on Norfolk and Suffolk's icy roads.
Police reported two accidents on and near the A11 before 7am.
One lane was closed on the A11 northbound in Attleborough at the B1077 junction, and Mill Lane in Besthorpe was blocked between the Norwich Road junction and the Silver Street junction, because of an accident and fallen power cables.
The accidents were minor and no-one was injured.
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