A civil servant pleaded not guilty at Fanling Court yesterday to loitering causing concern. Wong Po-chun, 28, allegedly loitered from Choi Yuen Estate to Choi Po Court in Sheung Shui on May 9, causing a woman to be concerned for her safety or well-being. Magistrate Symon Wong Yu-wing adjourned the case to September 21 for a pre-trial review. Wong faces trial on October 12. He is on bail.