BEIJING (AP) — A Chinese employee of a Japanese newspaper was detained by police ahead of the 25th anniversary of the 1989 crackdown on the Tiananmen Square pro-democracy protests, the newspaper and family members said.

The Nihon Keizai Shimbun said Tuesday the family of one of its news assistants in its bureau in the southwestern city of Chongqing was notified of the assistant’s detention on suspicion of picking quarrels and provoking troubles.