SYDNEY - Four Chinese, three men and one woman, have been murdered in an attack in Papua New Guinea's capital Port Moresby, Chinese Embassy officials confirmed.

They were stabbed to death in their food shop in Port Moresby on Monday night, according to report.

Multiple stab wounds were found on their bodies, police said. Money is said to have been stolen from the shop.

Papua New Guinea's Prime Minister has condemned the "brutal and cowardly attack" and called on the community to stay calm.

"I have been assured by the police commissioner that no resource will be spared to ensure that the perpetrators of this heinous crime be found and brought to face the full force of the law," he said.

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