Three men are being questioned by the PSNI in connection with a sectarian murder in Belfast more than 40 years ago.
Patrick Benstead was found in an alleyway in the east of the city in 1972.
The 32-year-old had been shot.
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The men who are being questioned are in their 60s and 70s.
The arrests took place in England, east Belfast and Newtownards this morning.