1.20pm: The 999 service in the Powburn area has been restored.
The 999 service and Northumbria Police’s 101 number are out of service in the Powburn area at present.
The loss of service is affecting landlines starting 0166 557 and 0166 558.
Anyone with an emergency in these areas can still contact 999 and 101 from a mobile phone.
There are also extra officers being deployed to key points in the Powburn area should there be any concerns.