Cyanide killed six foreigners in Bangkok hotel, including perpetrator

Cyanide poisoning caused the deaths of six foreigners whose bodies were found in a room in a plush Bangkok hotel, Thai authorities said on Wednesday, with the suspected killer among the dead.

Traces of the rapid-acting, deadly chemical were found during autopsies of the bodies and on drinking glasses and a teapot in the room at the luxury Grand Hyatt Erawan hotel where the dead were discovered late on Tuesday, according to police and a hospital.

Interviews with relatives of...