Trump condemns Russian envoy's killing by Islamic terrorist

US President-elect Donald Trump has condemned the assassination of Russia's ambassador to Turkey, calling the gunman a "radical Islamic terrorist."

"Today we offer our condolences to the family and loved ones of Russian Ambassador to Turkey Andrei Karlov, who was assassinated by a radical Islamic terrorist," Trump said in a statement.

"The murder of an ambassador is a violation of all rules of civilized order and must be universally condemned.