A suspicious object has been found on the Brigade Road in the Waterside area of Derry.
Police are currently in attendance at the security alert and a section of the road has been closed.
Inspector Jonathan Hunter said: “The Brigade Road is closed between the Rossdowney Road roundabout and McGarvey Court.
“A number of houses have been evacuated and the Lincoln Court Community Centre has been made available for any residents that need shelter.”
There are no further details at this time.