A 34-year-old Saint John man is dead, and police have now launched a murder investigation.

Saint John Police were called to a Carleton Street home just before 11 pm on Wednesday, where they found an unconscious man with serious injuries.

He was treated by officers and other emergency responders, but was later pronounced dead.

Police have said they believe this is an isolated incident, but no other details have been released as the investigation is ongoing.

There have been no arrests in connection with the man’s death.

Anyone with information is asked to contact the Saint John Police Force at 1-506-648-3333, or if you wish to remain anonymous, contact Crimestoppers at 1-800-222-8477 or 1-800-222-T.I.P.S.