Motorists are advised to expect disruption on a section of the A5 road from Derry to Strabane this morning.
The A5 remains closed this morning between its junctions with Leckpatrick Road, Ballymagorry and Woodend Road, Strabane.
A spokesperson for the PSNI said: "All traffic is being diverted via Donemana".
No other details are available.
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