The manager of a Hong Kong secondary school whose principal swore at security guards during a trip with students to Singapore will investigate the incident, but said it is too early to decide whether he should face any disciplinary action. Edmund Wong Chun-sek, a former lawmaker and school manager of San Wui Commercial Society Secondary School in Tuen Mun, added that the school wanted to ensure students on the trip were not affected by the incident. His remarks came after education authorities..