"I have an urgent errand," he said. "My news is evil."
Then he looked about him, as if the hedges might have ears.
"Nazgûl," he whispered. "The Nine are abroad again. They have crossed the River secretly and are moving westward. They have taken the guise of riders in black."
Gandalf at The Council of Elrond, The Fellowship of the Ring, the Lord of The Rings, by J.R.R. Tolkien