Armed response team at security alert in Derry's John Street
Members of the PSNI's armed response team are at the scene of the ongoing security alert in Derry's John Street.
Police are remaining tight-lipped about the incident other than to say they are concerned for the safety of a man in flat in the street.
Two fire engines, an ambulance and a medical "emergency response" vehicle are also at the scene.
Speaking earlier a police spokesperson said officers had spoken to the man and the situation "at the moment is contained."
The spokesperson added: ""Police do not believe there is any direct threat to other members of the public."
A number of residents have been moved out of their accommodation and are being provided for at Brooke Park Community Centre in Rosemount.
John Street and Foyle Road from John Street roundabout to its junction with Craigavon Bridge remain open. Craigavon Bridge also emains open.