Six people have been found dead in a luxury hotel in Bangkok in what police suspect was a poisoning.in
The bodies of the three men and three women – four Vietnamese nationals and two Vietnamese Americans – were discovered inside a hotel room that had been locked from the inside.
Police say the victims all arrived at the hotel at different times in what is believed to be a homicide incident.
A seventh person possibly remains unaccounted for.
Bangkok police chief Liutenant-General Thiti Sangsawang said there were no signs of a struggle.
He said the residents of the room were supposed to check out Tuesday and their luggage had already been packed.
He said there was food that had been ordered from room service that was left uneaten, but that drinks had been consumed.
Thailand’s prime minister has ordered an investigation into the incident and has visited the scene.
The Thai newspaper Matichon showed photos of police at the Grand Hyatt Erwan Hotel investigating the deaths after being summoned by hotel staff. It said five bodies were found inside a room and one outside.
Investigators found the bodies foaming at the mouth, said local police.
There was no sign of fighting, struggle or robbery.
An initial report that there had been a shooting was dismissed by a local police official.