The man, who was described as being in a “critical condition”, was taken to the town’s Balfour Hospital and then transferred to Ninewells Hospital in Dundee.
The woman, whose condition is unknown, was also taken to Balmour Hospital for treatment.
Three allegations
Oscar Mayo, 22, appeared in private at Kirkwall Sheriff Court today facing three charges.
He is accused of two assault charges – assault to severe injury, permanent impairment, danger to life and attempted murder and also assault to injury and danger of life.
The third charge is an allegation that he behaved in a threatening and abusive manner.
Mayo, from Kirkwall, made no plea, was committed for further examination and remanded in custody.
Man in court on attempted murder charge after Kirkwall incident