A man has been arrested over the murder of a scientist more than 40 years ago.
Dr Brenda Page, 32, was found dead at her flat on Allan Street in Aberdeen in 1978.
Dr Page was a genetic scientist at Aberdeen University while also working as an escort.
Police were instructed to rexamine her death in 2015 and on Tuesday said a 79-year-old man had been arrested.
Detective inspector Gary Winter said: “I would like to appeal to anyone who believes they may have information relevant to the enquiry and has not previously come forward or been seen by the police.
“I would also urge any previous witnesses from 1978, or from the subsequent review from 2014 onwards who have changed contact address or telephone numbers to get in touch and update us.
“The enquiry team can be contacted by calling 101 and quoting reference number 479 of 17 March or by e-mailing SCDHOLMESAberdeen@scotland.pnn.police.uk.”
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