FEARS are growing for three more Westerners missing in Cambodia as forensic scientists rush to positively identify human remains believed to belong to three others missing since April. The remains are thought to be those of former Hong Kong models Dominic Chappell, 25, his girlfriend Kellie Wilkinson, 24, and their friend Tina Dominy, 24. It emerged yesterday, that in addition to searching for these three who were kidnapped by the Khmer Rouge on April 11 in southern Cambodia, investigations have also been conducted into the disappearance of British backpacker Robert Burndred, 23, in January and two Belgians who were last seen in May. The two Belgians and Mr Burndred all disappeared near the Khmer Rouge controlled temple of Preah Vihear on the Thai-Cambodian border. The temple, has been closed to tourists for about a year and has been heavily mined by the guerillas. A humanitarian group dropped leaflets from a helicopter over the region yesterday offering rewards for news of the three. The Belgians Michel Baran, 31, a UN researcher based in Bangkok, and his wife Nathalie Roobaert, 29, were last seen on May 23. Belgian-Dutch group, International Danger and Disaster Assistance, used a military helicopter mounted with machine guns to drop the leaflets from.