Police investigating the deaths by poisoning of six people found in the room of a luxury hotel in central Bangkok believe one member of the group took their own life and murdered the rest by lacing cups of tea with cyanide.
Tests detected the deadly chemical that interferes with the body’s ability to use oxygen in a tea flask and six cups, with the signs of its poisoning revealed in autopsies of the six bodies . Based on interviews with a relative, police believe the deaths could be related to a business dispute.