5 Vietnamese killed with cyanide in Bangkok, suspected compatriot suicides: Thai police
The incident could have stemmed from debt issues
Woman kills father with poison, stages arson to erase traces in southern Vietnam
She poisoned her father with cyanide and concealed his body in a small pit
Two apprehended for trading over 8 tonnes of cyanide in Vietnam
The substance was used for unlawful gold mining activities in Quang Nam