Of the two, only "New Zealand" was in the United Kingdom when the war began. "Indefatigable" was in the Mediterranean, where she unsuccessfully pursued the German warships and as they sailed towards Turkey. "New Zealand" participated in some of the early actions in the North Sea, including the Battle of Heligoland Bight and the inconclusive Scarborough Raid. "Indefatigable" and "New Zealand" participated in the Battle of Jutland, where the former was destroyed by a magazine explosion after numerous hits from the battlecruiser . "New Zealand" patrolled uneventfully after Jutland, watching for the next appearance of the High Seas Fleet. She conducted Admiral Jellicoe on his tour of India and the Dominions after the war. "New Zealand" was sold for scrap in 1922 to comply with the Washington Naval Treaty.