Islamic State says US 'run by an idiot'

The signs of US demise is "evident to every eye" and the nation is being "run by an idiot" says Islamic State.

Islamic State says the United States was drowning and "being run by an idiot". (AAP)

Islamic State says the United States was drowning and "being run by an idiot".

In the first official remarks by the group referring to President Donald Trump since he assumed office, spokesman Abi al-Hassan al-Muhajer said: "You (the US) are bankrupt and the signs of your demise are evident to every eye."

"...There is no more evidence than (that) you being run by an idiot who does not know what Syria or Iraq or Islam is," he said in a recording released on Tuesday on messaging network Telegram.