Seoul's subway line number two will halt service for approximately ten minutes from 3:10 p.m. Tuesday due to a disaster management exercise. <br /> Seoul Metro explains that the drill will be attended by nearly 5-hundred people from the military, police and fire services.<br />It asked for the public's understanding while advising the passengers to follow the staffs' instructions.<br />The exercise will be carried out under the assumption there was a terrorist attack on the subway. <br />