Foyle Search and Rescue was of the organisations involved in last night's operation.
A person was rescued from the River Foyle last night.
A rescue operation was launched shortly before 10pm after a report was received that a person had entered the water.
A PSNI patrol which arrived on the scene deployed a lifebuoy and the person was then brought on to the boat of a Foyle Search and Rescue team which had arrived on the scene.
The person was treated for cold water shock and then taken to Altnagelvin Hospital.
Once again, all the local organisations involved in the operation have been praised for their quick response.
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