A man has been killed in a stabbing at a popular tourist spot in Tasmania overnight.

Police say an altercation broke out between two groups of people at the Morrison St carpark area in the Salamanca precinct about midnight on Sunday.

During the incident two men reportedly suffered stab wounds.

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One of these men, aged 20, died while the other, aged 23, remains in hospital with non-life-threatening injuries.

“At this stage in the ongoing investigation, it is believed this was an isolated incident potentially linked to a previous incident which involved a person from each group,” Tasmania Police said.

A 20-year-old is in police custody assisting with the investigation.

Police are continuing to look into the incident and say they are “following several lines of enquiry” to find the other people allegedly involved.

Anyone with information has been urged to contact police or Crime Stoppers Tasmania.

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