US Ambassador to Cambodia William Heidt speaks during a press conference at the US embassy in Phnom Penh on September 12, 2017 . 
The American ambassador in Phnom Penh sharply denied 'extraordinary accusations' levelled by Cambodia's strongman premier that the US was involved in a plot to overthrow the government, calling the allegations 'classic red herrings'. / AFP PHOTO / KHEM SOVANNARA        (Photo credit should read KHEM SOVANNARA/AFP/Getty Images)