Korean man's body believed to be in grave A South Korean man has gone missing after reportedly trying to exchange $15,000 into Korean won. Police will dig up a shallow grave in Brisbane as they search for a missing South Korean man. MIN Tae Kim went to exchange his hard-earned Australian savings for South Korean money for his return home but he may never get there. Police have found a shallow grave on a vacant property in southwest Brisbane they believe could contain the 28-year-old South Korean man's body. Detective Inspector Kemp says two men and a woman are being held over his disappearance. Blood was found around the grave site, in Algester, and forensics officers are preparing to exhume the contents. They hope to know by Friday if it is Mr Kim's remains. "We're not sure what is in that grave at this time," Det Insp Kemp told reporters. It could be a dog, we do have fears that is human though and it could be the missing person. Det Insp Kemp said Mr Kim had been working hard at a local abattoir to build up his savings before his planned return to South Korea next month. But he needed to change $15,000 cash into South Korean won and put an ad on the Gumtree website to get a cheaper exchange rate. Mr Kim left his Cannon Hill share house with his cash to do a deal with an unknown person about 2pm Monday. It was the last time he was seen alive. "We feel that he may have met with foul play, we don't know," Det Insp Kemp said. Mr Kim's disappearance comes after 22-year-old South Korean woman Eunji Ban was allegedly bashed to death while walking to work in Brisbane's CBD last month. The Council of International Students Australia president Thomson Ch'ng said the incidents would rock people's confidence in Brisbane being a safe place to study. "Two incidents within three weeks is not good for Brisbane and Australia," he told AAP. The fact is, international students are important bridges between Australia and the international community and whatever happens here (in Australia), the world is watching. Det Insp Kemp said it would be a very unfortunate if Mr Kim became the second South Korean murdered in Brisbane in less than a month. "If it is and if he has been brutally murdered, it's a shocking thing for us and a concern for us, most certainly," he said. Police expect to find out the results of forensic testing on the gravesite on Friday.