There Chiang Wei-shui was holding up a large banner stating ‘ The Taiwan Assembly Petition Group Welcomes His Highness on His Visit to Taiwan. ’ This phony welcome, which in reality expressed a genuine appeal, was deeply embarrassing for the office of the governor-general. ” This gesture naturally brought retaliation against Chiang, and he was afterwards arrested and investigated.
「當皇太子由駿馬騎兵開道前往大稻埕參觀時，途經大安醫院，蔣渭水高舉『歡迎鶴駕台灣議會請願團』的斗大標語，表達假歡迎真請願，完全不給總督府面子，」蔣渭水的孫子、文史工作者蔣朝根為文指出，此舉自然使蔣渭水惹禍上身，隨後他便被拘押查辦。