Aussie aid workers carjacked in PNG

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Two Australians working in Papua New Guinea's capital Port Moresby have been carjacked at gunpoint.

A female media adviser with PNG's national radio station and a male law and justice adviser were separately attacked last night on the same road on Touaguba Hill, a residential area popular with expatriates.

According to an email sent to Australian officials by AusAID security there were no injuries or assaults carried out during the robbery.

"This is again a stark reminder to exercise a high degree of caution whilst driving throughout Port Moresby," the email read.

Last Thursday an Australian aid adviser in Port Moresby was carjacked and suffered "serious injuries" in the attack.

A spokesperson for the Australian High Commission confirmed the victim, a man in his 50s, was discharged from Port Moresby Hospital last Friday and flown to Brisbane for further treatment.

AAP also understands that at the weekend another Australian official was involved in an unsuccessful carjacking by a gang of youths.

The attacks occurred in the same timeframe as a fierce tribal fight in Port Moresby that left five men dead, with scores more admitted to hospital with knife wounds.

The clash involved two Highlander ethnic groups, the Tari and the Engans, who have a fierce reputation for such clashes in their home regions that often spill over into the capital hundreds of kilometres away.

The Economist magazine regularly ranks Port Moresby as one of the five worst cities in the world to live in because of violent crime, corruption and the absence of basic infrastructure.

In November last year a young group of Australian volunteers travelling in Madang, on PNG's northeast coast, were carjacked, tied up and robbed, with one woman raped.

- AAP