§ Of the Return of the Noldor The Silmarillion

Thus Fingon found what he sought. For suddenly above him far and faint his song was taken up, and a voice answering called to him. Maedhros it was that sang amid his torment. But Fingon climbed to the foot of the precipice where his kinsman hung, and then could go no further; and he wept when he saw the cruel device of Morgoth. Maedhros therefore, being in anguish without hope, begged Fingon to shoot him with his bow; and Fingon strung an arrow, and bent his bow. And seeing no better hope he cried to Manwë, saying: 'O King to whom all birds are dear, speed now this feathered shaft, and recall some pity for the Noldor in their need!'