A bomb disposal unit has been called to a city street as part of an ongoing investigation.
A small number of residents have been evacuated from their homes in Fairnbairn Street, Dundee, while emergency services deal with the incident.
Police were called to the scene at 6pm on Wednesday.
A police spokesman said: "Police Scotland are currently in attendance at an address in Fairbairn Street, Dundee in connection with an ongoing investigation.
"There will be activity involving police and other emergency services over the next few hours.
"As always, the priority is public safety and police will be in communication with partners and local residents to provide appropriate advice as required."
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