A SCOT has been detained by police investigating a ­loyalist sectarian murder in Northern Ireland 40 years ago.

Catholic Seamus Gilmore, 18, was working at a petrol station in north Belfast in February 1973 when he was gunned down.

A 59-year-old man from Falkirk is being interviewed by detectives in Glasgow.

Officers have also detained a 61-year-old from London.

Detective Inspector Chris Wilson, of the Police Service of Northern Ireland, said: "Following a review process, a number of new lines of ­inquiry have been identified."