Summarize this content to 2000 words in 6 paragraphs Trains are delayed across Brisbane after a false alarm caused Central Station to be evacuated.A fire alarm went off at the CBD station about 7.20am. Emergency teams were called to the scene and all commuters were required to leave.All lines travelling through the city are up to 30 minutes behind schedule.Trains were also stopped at South Brisbane, with many passengers choosing to get off and catch a bus over the Victoria Bridge to the CBD.Translink has since posted to social media that service on all train lines between Roma Street and Fortitude Valley has resumed.“We’ve resumed normal operations but we have residual delays,” a spokesperson for Queensland Rail told Brisbane Times.“Everything is back up and running which is good.”