 Morrison's term in Nagasaki was cut short when he and other British officials were attacked by samurai from the Mito domain on the night of 5 July 1861 at the British Legation in Edo.Morrison and the First Secretary Laurence Oliphant were severely wounded in the attack and left for England that autumn to recuperate.Morrison returned to Nagasaki in April 1863, at a time when conditions for foreigners in the region were particularly dangerous.