A man believed to be in his 20s was found lying unconscious by officers outside a nightclub at about 2am.
Chief of Operations, ACP Rusiate Tudravu said the victim was taken to the CWM Hospital where he was pronounced dead.
Tudravu said the cause of death is yet to be ascertained and investigations are still into its early stages.
Meanwhile, two arrests of assault were made in the capital city last night by officers who were directed to strictly enforce the Minor Offences Act and Liquor Act.
Tudravu said a Police Officer was assaulted and the second case was between a husband and wife, both the cases were of drunk and disorderly that later escalated to assault.
Tudravu said the Fiji Police recorded no major incidents at the 2015 Coca Cola Athletics Competition venue.
Tudravu stressed this will be an ongoing weekend operations in Suva to crack down on drunk and disorderly behavior.
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