Two men have been released from custody after being questioned in connection with the death of a man in Cork last year.

Gardaí investigating the death of a man in a fight outside a pub in Cork city have started examining CCTV footage in a bid to try and identify the culprits.

Gardaí in Cork are expected to launch a murder inquiry after a post mortem on the body of a 51-year-old man who was fatally injured during a row outside a pub in the city.