Bangkok hotel deaths: Police investigating possible poisoning, seventh guest unaccounted for

Six people have been found dead inside their hotel rooms at the Grand Hyatt Erawan in central Bangkok. Thailand's foreign ministry said four of the six guests are Vietnamese nationals, while two others are Americans of Vietnamese descent. A seventh guest is unaccounted for. A police official said the guests were supposed to check out on Monday, but housekeeping found them dead. There were no signs of any fight or struggles.