On Thursday afternoon, the CST train station building was evacuated and the area was blocked for nearly an hour after a leather briefcase was found near the railway manager (DRC) Office of the Central Railway Division. Mumbai: The CST train station building was evacuated on Thursday afternoon and the area was blocked for nearly an hour after a leather briefcase was found near the railway manager (DRC) Office of the Central Railway Division. CST railway police have caused a stir by deploying dogs and bomb disposal teams to check the briefcase. The authorities are on high alert. About two years ago, the Science and Technology Commission was declared a World Heritage Site by UNESCO. Around 3. At 30, the bomb squad gave one. clear signal. The unclaimed briefcase contained a sheet and some documents that were clearly forgotten by some commuters.