SMRT's excuse for Circle Line breakdown: a faulty cable and tunnel leakage

Yahoo! Singapore News, 28 Sep 2011
A faulty cable and tunnel leakage caused the Circle Line’s four-hour delay on the morning of 20 September, said SMRT on Wednesday.
And with the full Circle Line MRT service to launch in 10 days, SMRT is now inspecting all of its stations for faulty power cables. Checks on Lines Four and Five — which are the new lines to be opened next Saturday — are complete, and staff have to inspect 16 more stations along the older lines. Full story