When Cambodian garment workers making clothes for global brands such as H &M and Wal-mart took to the streets in January demanding a 60 dollarper month increase they were killed.br br Riot police opened fire on hundreds of demonstratorskilling five people, a 16 year old boy is missing and 21 people have been detained, including three senior union leaders.br br Rebecca Henschke reports on the fall out from Phnom Pehn.