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MRT breakdown: Questions raised about underlying causes
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As it took place during the evening peak, the breakdown is estimated to have affected at least 200,000 commuters.
ST PHOTO: GAVIN FOO
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Wednesday evening's power-related disruption affecting three MRT lines was the first incident of its kind in four years.
It came after a relatively uneventful year, except for a six-hour disruption - also power-related - which affected the North East Line in February.
