 He was challenged by many established martial artists, some of whom later became his students after being defeated by him.In the autumn of 1925 he was asked to give a demonstration of his art in Tokyo, at the behest of Admiral Isamu Takeshita; one of the spectators was Yamamoto Gonnohyōe, who requested that Ueshiba stay in the capital to instruct the Imperial Guard in his martial art.After a couple of weeks, however, Ueshiba took issue with several government officials who voiced concerns about his connections to Deguchi; he cancelled the training and returned to Ayabe.