Task: Translation
Input (Japanese): 警察と食物環境衛生署の職員が公共の通行を妨げるという理由でその彫刻を撤去しようとしたとき、彼らは活動家によって2時間の間それを阻まれた。
Output (English): When police and officials from the Food and Environmental Hygiene Department attempted to remove the sculptures on the grounds for obstructing public access, they were prevented from doing so by activists for two hours.