Grand Hyatt Bangkok: Victims died from cyanide poisoning  BBC.comCyanide poisoning likely killed six found dead in luxury hotel, including two US citizens, Thai police say  CNNVideo of Bangkok hotel where police say six found dead  Yahoo! VoicesTraces of cyanide are found in the blood of Vietnamese and Americans found dead in a Bangkok hotel  ABC NewsIn a Bangkok Hotel Room, Six Bodies and Traces of Cyanide  The New York Times