Gangguan perkhidmatan di Laluan Utara-Selatan akibat kerosakan trek

[NSL] CLEARED: Southbound trains towards #MarinaBay are now running normally.

[NSL] UPDATE: Southbound trains towards #MarinaBay are running slower due to track fault at #MarinaBay.

[NSL] UPDATE: Southbound trains towards #MarinaBay are running slower due to congestion caused by track fault at #MarinaBay.